The primary requirement of humans on planet earth is food, clothing and shelter. Prehistoric men and women used to live on trees but steadily they started developing the shelters for protection against natural calamities like rains, cold etc. and also from attack against wild animals. Soon humans grew in knowledge and they started living together, forming communities to ensure additional security and man became a social animal. Now these communities developed and started exploding forming villages which later on transformed into cities and became the commercial centres of a region. Soon within these commercial centres, land for horizontal expansion became extinct. The social animal started expanding vertically constructing multi storied structures. The present study focuses on 12 levelled multi storey structure. The structures are considered to be located at various seismic zones. The Performance of the structure is found out by static nonlinear structure. Further, these structures are provided with seismic dampers. The Modelling and analysis are carried out using ETABS software. The performance of these structures is studied and compared using various parameters such as displacement, storey drift, base shear and time period. Along with these results performance of building is predicted based on demand capacity graphs. The results are extracted and conclusions are drawn.From the pushover analysis, the performance point is found out for all the models. And also, it found that, weakest junctions of the models. The Pushover analysis shows the models with dampers are having base shear than the models without damper. The increase in percentage of base shear is around 45 . The introduction of damper causes the improvement in lateral load carrying capacity by 45 . The base shear values are lesser for Zone II and highest for Zone V. There is a linear increase in base shear values for increase in severity of zones. From the pushover analysis base shear, it is noticed that all the models are having lesser base shear values in case of equivalent static analysis than pushover analysis except Model type A4. This shows that, the model Type A4 is UNSAFE. The models can be made SAFE by introducing Dampers as in Models Type B4. Ritu T Raj | Dr. S Vijaya | Dr. B Shivakumara Swamy | Mary Bhagya Jyothi. J "Performance Based Analysis of RC Framed Structure with and without Dampers for Different Seismic Zones" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd35702.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/35702/performance-based-analysis-of-rc-framed-structure-with-and-without-dampers-for-different-seismic-zones/ritu-t-raj
A COMPARATIVE STUDY OF OMRF & SMRF STRUCTURAL SYSTEM USING DIFFERENT SOFTWARESAM Publications
This study is carried out to investigate the seismic behaviour of the structure having various structural configurations
like OMRF (Ordinary Moment Resisting Frames), SMRF (Special Moment Resisting Frames) using different softwares i.e.
Stadd.Pro & Etabs. A comparative study of all the types of frames will shed light on the best suited frame to be adopted for seismic
loads in Indian scenario. For this purpose, a G+6 storey R.C.C. regular building are analysed for OMRCF, SMRCF framing
configurations in Seismic Zone III & IV according to Indian codes. Linear static Analysis or Equivalent static Analysis are carried
out to evaluate their structural efficiencies in terms of storey drifts, average storey displacement, Time period. In OMRF structures
the design and detailing of reinforcement are executed as per the guide lines of I.S. 456-2000 which make the structure less tough
and ductile in comparison of SMRF structures. The basic approach of earthquake resistant design should be based on lateral
strength as well as deformability and ductility capacity of structure .In SMRF structures Beams, columns, and beam-column joints
are proportioned and detailed as per I.S. code 13920(2002) which give adequate toughness and ductility to resist severe earthquake
shock without collapse. Thus it has been observed that SMRF structures behave well in earthquake than OMRF structures.
IRJET- Comparative Study on Conventional Slab and Flat Slabs RCC Structure us...IRJET Journal
This document discusses a comparative study on the seismic performance of conventional slab reinforced concrete (RCC) structures and flat slab RCC structures using pushover analysis. It aims to compare the structures' behavior under parameters like base shear, story displacement, and story drift. The study finds that under equivalent pushover analysis, the conventional slab RCC structure performs better with lower base shear, story drift, and story displacement values compared to flat slab and flat plate RCC structures. Overall, the conventional slab structure is considered more seismically efficient. The document provides background on pushover analysis methodology and outlines the objectives to explore and compare the seismic behavior of different slab RCC structures through nonlinear static analysis.
This document summarizes a study that investigated the impact of plan irregularity in selecting a suitable structural framing system for analyzing and designing multi-story buildings. It analyzed and designed 20-story regular and irregular moment-resisting frames under gravity and seismic loads based on Indian codes. Results showed that plan irregularity did not significantly impact the amount of reinforcement required or the structural performance. Therefore, the study concluded that plan irregularity does not need to be an additional condition to consider when selecting an ordinary or special moment-resisting frame according to Indian code IS 13920:1993.
IRJET- A Study on Effect of LRB Isolators on Varying Height of Rectangula...IRJET Journal
This document analyzes the effect of using lead rubber bearing (LRB) isolators on structures of varying heights when subjected to seismic activity. Non-linear time history analyses were conducted on 4, 10, 15, and 20-story rectangular reinforced concrete structures both with and without LRB isolators. The results showed that using LRB isolators significantly reduced story rotation, acceleration, displacement, and drift across all building heights compared to fixed-base structures. Additionally, LRB isolators increased the natural period of the structures, which decreased the lateral forces experienced. In conclusion, seismic isolation through the use of LRB isolators improved the performance of structures and was more effective at mitigating earthquake effects in taller buildings.
IRJET- Seismic Response of Regular and Irregular Building using Tuned Mass Da...IRJET Journal
This document summarizes a study that used computer modeling to analyze the seismic response of regular and irregular 12-story buildings with and without tuned mass dampers. The buildings were modeled in ETABS software and subjected to a nonlinear time history analysis using Elcentro earthquake ground motion data. Tuned mass dampers with 3% and 5% mass ratios were placed at the top floor. Story displacement, drift, column axial loads, time period, and column demand capacity ratios were compared between regular and irregular buildings with and without dampers. The results showed that using dampers reduced story displacements by up to 66%, drift by up to 73%, column loads by up to 44%, and improved structural performance overall. Therefore, the addition of
NONLINEAR STATIC ANALYSIS OF RC BUILDING USING ISOLATED BEARINGS WITH DIFFERE...IAEME Publication
1. The document discusses nonlinear static analysis of an RC building with different hill slopes using isolated bearings. It aims to study the variation in base shear, drifts, and formation of plastic hinges with different slope angles.
2. Plastic hinge development typically begins in the lower stories with bar ends and base sections yielding, then progresses to upper stories and interior sections. Isolated bearings are used to reduce seismic impact.
3. The structure studied is a 4-9 story commercial building with setbacks located on sloping ground between 0-40 degrees. Nonlinear static pushover analysis is performed to analyze seismic performance and identify safest configurations.
This document evaluates the applicability of nonlinear static procedures (NSP), also known as pushover analysis, in seismic design of reinforced concrete buildings. It compares maximum displacements from NSP to those from nonlinear dynamic analysis (NDA) using ground motions with probabilities of exceedance of 2% and 10% in 50 years in Los Angeles and Seattle. Four reinforced concrete framed structures are designed and analyzed using NSP and NDA. The study finds that NSP is suitable for structures where higher mode effects are insignificant, especially for higher intensity ground motions. However, NSP cannot completely replace NDA as it fails to fully capture dynamic behavior. Seismic hazard mapping is also essential for meaningful evaluation using NSP in Indian conditions.
Seismic analysis of vertical irregular multistoried buildingeSAT Journals
Abstract It is understood that buildings which are regular in elevation (regular building) perform much better than those which have irregularity in elevation (irregular building) under seismic loading. Irregularities are not avoidable in construction of buildings. However a detailed study to understand structural behaviour of the buildings with irregularities under seismic loading is essential for appropriate design and their better performance. The main objective of this study is to understand the effect of elevation irregularity and behaviour of 3-D R.C. Building which is subjected to earthquake load. In the present study, a 5 bays X 5 bays, 16 storied structure with provision of lift core walls and each storey height 3.2 m, having irregularity in elevation, is considered as the soft storey 3-D structure. An Irregular building is assumed to be located in all zones. Linear dynamic analysis using Response Spectrum method of the irregular building is carried out using the standard and convenient FE software package. To quantify the effect of different degrees of irregularities all the structures are analysed. In addition, the analysis carried out also enables to understand the behaviour that takes place in irregular buildings in comparison to that in regular buildings. For this the behaviour parameters considered are 1) Maximum displacement 2) Base shear, 3) Time period. Key Words: asymmetric building, soft story, base shear, displacement, soft storey, time period.
A COMPARATIVE STUDY OF OMRF & SMRF STRUCTURAL SYSTEM USING DIFFERENT SOFTWARESAM Publications
This study is carried out to investigate the seismic behaviour of the structure having various structural configurations
like OMRF (Ordinary Moment Resisting Frames), SMRF (Special Moment Resisting Frames) using different softwares i.e.
Stadd.Pro & Etabs. A comparative study of all the types of frames will shed light on the best suited frame to be adopted for seismic
loads in Indian scenario. For this purpose, a G+6 storey R.C.C. regular building are analysed for OMRCF, SMRCF framing
configurations in Seismic Zone III & IV according to Indian codes. Linear static Analysis or Equivalent static Analysis are carried
out to evaluate their structural efficiencies in terms of storey drifts, average storey displacement, Time period. In OMRF structures
the design and detailing of reinforcement are executed as per the guide lines of I.S. 456-2000 which make the structure less tough
and ductile in comparison of SMRF structures. The basic approach of earthquake resistant design should be based on lateral
strength as well as deformability and ductility capacity of structure .In SMRF structures Beams, columns, and beam-column joints
are proportioned and detailed as per I.S. code 13920(2002) which give adequate toughness and ductility to resist severe earthquake
shock without collapse. Thus it has been observed that SMRF structures behave well in earthquake than OMRF structures.
IRJET- Comparative Study on Conventional Slab and Flat Slabs RCC Structure us...IRJET Journal
This document discusses a comparative study on the seismic performance of conventional slab reinforced concrete (RCC) structures and flat slab RCC structures using pushover analysis. It aims to compare the structures' behavior under parameters like base shear, story displacement, and story drift. The study finds that under equivalent pushover analysis, the conventional slab RCC structure performs better with lower base shear, story drift, and story displacement values compared to flat slab and flat plate RCC structures. Overall, the conventional slab structure is considered more seismically efficient. The document provides background on pushover analysis methodology and outlines the objectives to explore and compare the seismic behavior of different slab RCC structures through nonlinear static analysis.
This document summarizes a study that investigated the impact of plan irregularity in selecting a suitable structural framing system for analyzing and designing multi-story buildings. It analyzed and designed 20-story regular and irregular moment-resisting frames under gravity and seismic loads based on Indian codes. Results showed that plan irregularity did not significantly impact the amount of reinforcement required or the structural performance. Therefore, the study concluded that plan irregularity does not need to be an additional condition to consider when selecting an ordinary or special moment-resisting frame according to Indian code IS 13920:1993.
IRJET- A Study on Effect of LRB Isolators on Varying Height of Rectangula...IRJET Journal
This document analyzes the effect of using lead rubber bearing (LRB) isolators on structures of varying heights when subjected to seismic activity. Non-linear time history analyses were conducted on 4, 10, 15, and 20-story rectangular reinforced concrete structures both with and without LRB isolators. The results showed that using LRB isolators significantly reduced story rotation, acceleration, displacement, and drift across all building heights compared to fixed-base structures. Additionally, LRB isolators increased the natural period of the structures, which decreased the lateral forces experienced. In conclusion, seismic isolation through the use of LRB isolators improved the performance of structures and was more effective at mitigating earthquake effects in taller buildings.
IRJET- Seismic Response of Regular and Irregular Building using Tuned Mass Da...IRJET Journal
This document summarizes a study that used computer modeling to analyze the seismic response of regular and irregular 12-story buildings with and without tuned mass dampers. The buildings were modeled in ETABS software and subjected to a nonlinear time history analysis using Elcentro earthquake ground motion data. Tuned mass dampers with 3% and 5% mass ratios were placed at the top floor. Story displacement, drift, column axial loads, time period, and column demand capacity ratios were compared between regular and irregular buildings with and without dampers. The results showed that using dampers reduced story displacements by up to 66%, drift by up to 73%, column loads by up to 44%, and improved structural performance overall. Therefore, the addition of
NONLINEAR STATIC ANALYSIS OF RC BUILDING USING ISOLATED BEARINGS WITH DIFFERE...IAEME Publication
1. The document discusses nonlinear static analysis of an RC building with different hill slopes using isolated bearings. It aims to study the variation in base shear, drifts, and formation of plastic hinges with different slope angles.
2. Plastic hinge development typically begins in the lower stories with bar ends and base sections yielding, then progresses to upper stories and interior sections. Isolated bearings are used to reduce seismic impact.
3. The structure studied is a 4-9 story commercial building with setbacks located on sloping ground between 0-40 degrees. Nonlinear static pushover analysis is performed to analyze seismic performance and identify safest configurations.
This document evaluates the applicability of nonlinear static procedures (NSP), also known as pushover analysis, in seismic design of reinforced concrete buildings. It compares maximum displacements from NSP to those from nonlinear dynamic analysis (NDA) using ground motions with probabilities of exceedance of 2% and 10% in 50 years in Los Angeles and Seattle. Four reinforced concrete framed structures are designed and analyzed using NSP and NDA. The study finds that NSP is suitable for structures where higher mode effects are insignificant, especially for higher intensity ground motions. However, NSP cannot completely replace NDA as it fails to fully capture dynamic behavior. Seismic hazard mapping is also essential for meaningful evaluation using NSP in Indian conditions.
Seismic analysis of vertical irregular multistoried buildingeSAT Journals
Abstract It is understood that buildings which are regular in elevation (regular building) perform much better than those which have irregularity in elevation (irregular building) under seismic loading. Irregularities are not avoidable in construction of buildings. However a detailed study to understand structural behaviour of the buildings with irregularities under seismic loading is essential for appropriate design and their better performance. The main objective of this study is to understand the effect of elevation irregularity and behaviour of 3-D R.C. Building which is subjected to earthquake load. In the present study, a 5 bays X 5 bays, 16 storied structure with provision of lift core walls and each storey height 3.2 m, having irregularity in elevation, is considered as the soft storey 3-D structure. An Irregular building is assumed to be located in all zones. Linear dynamic analysis using Response Spectrum method of the irregular building is carried out using the standard and convenient FE software package. To quantify the effect of different degrees of irregularities all the structures are analysed. In addition, the analysis carried out also enables to understand the behaviour that takes place in irregular buildings in comparison to that in regular buildings. For this the behaviour parameters considered are 1) Maximum displacement 2) Base shear, 3) Time period. Key Words: asymmetric building, soft story, base shear, displacement, soft storey, time period.
Effect of Friction Dampers on RC Structures Subjected to Earthquakeijtsrd
Among all the natural disasters such as flood, earthquake, drought, hurricanes the least understood and the most destructive one is earthquake. Since, they cause many of injuries and economical losses leaving behind a series of signs of panic. Necessity to implement seismic codes in building design. For this a better method of analysis such as static analysis, dynamic analysis and time history analysis has to be adopted for performing the structures seismic risk assessment. This dissertation work is concerned with the "Studies on Effect of Friction Dampers on the Seismic Performance of RC G 15 Storey Buildings" According to IS 1893 part 1 2002 codal provisions the structures are analyzed by Equivalent Static method and Time History method. The modeling and analysis is done with ETAB SOFTWARE and the results obtained are seismic parameters such as Time period, Base shear, Lateral displacement and Inter storey drift, storey stiffness, storey accelaration are tabulated and then comparative study of structures with and without Friction dampers has been done. Akshay R | B. S. Suresh Chandra "Effect of Friction Dampers on RC Structures Subjected to Earthquake" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd28017.pdfPaper URL: https://www.ijtsrd.com/engineering/structural-engineering/28017/effect-of-friction-dampers-on-rc-structures-subjected-to-earthquake/akshay-r
IRJET - Seismic Comparison of OMRF & SMRF Structural System on Zone IIIRJET Journal
This document summarizes research on comparing the seismic performance of Ordinary Moment Resisting Frames (OMRFs) and Special Moment Resisting Frames (SMRFs). Several studies are reviewed that analyze the response of OMRF and SMRF buildings to earthquake loading, specifically examining parameters like base shear, story drift, displacements and forces. The studies generally find that SMRFs perform better under seismic loads - experiencing lower forces and displacements. SMRFs are therefore considered more effective and safer for earthquake-resistant design.
Review paper on seismic responses of multistored rcc building with mass irreg...eSAT Journals
Abstract
From past earthquakes it is proved that many of structure are totally or partially damaged due to earthquake. So, it is necessary to determine seismic responses of such buildings. There are different techniques of seismic analysis of structure. Time history analysis is one of the important techniques for structural seismic analysis generally the evaluated structural response is non-linear in nature. For such type of analysis, a representative earthquake time history is required. In this project work seismic analysis of RCC buildings with mass irregularity at different floor level are carried out. Here for analysis different time histories have been used. This paper highlights the effect of mass irregularity on different floor in RCC buildings with time history and analysis is done by using ETABS software.
Keywords: Seismic Analysis, Time History Analysis, Base Shear, Storey Shear, Story Displacement.
A Review on Earthquake Vulnerability AssessmentIRJET Journal
This document provides a review of earthquake vulnerability assessment. It discusses fragility curves, which show the probability of exceeding certain damage levels as a function of ground motion intensity. Fragility curves are developed using incremental dynamic analysis (IDA), which involves performing nonlinear time history analyses while gradually increasing ground motion intensities. IDA provides structural response over a range of intensities from elastic to collapse. The document also reviews several studies on developing fragility curves for buildings using IDA and analyzing the seismic performance of base isolated structures through experimental testing.
A comparative study of omrf & smrf structural system for tall & high ...eSAT Journals
Abstract The objective of this study is to investigate the seismic behavior of the structure i.e... OMRF (Ordinary moment resisting frame) & SMRF (Special R C moment Resisting frame). For this purpose 5th, 10th, 15th , 20th storied structure were modeled and analysis was done using Staad.Pro software and using the codes for analysis, IS 1893:2002, IS 456: 2000. The study assumed that the buildings were located in seismic zone II (Visakhapatnam region).The study involves the design of alternate shear wall in a structural frame and its orientation, which gives better results for the OMRF & SMRF structure constructed in and around Visakhapatnam region. The buildings are modeled with floor area of 600 sqm (20m x30m) with 5 bays along 20 m span each 4 m. and 5 bays along the 30 m span each 6 m. The design is carried out using STAAD.PRO software. Shear walls are designed by taking the results of the maximum value of the stress contour and calculation are done manually by using IS 456-2000 and IS 13920-1993. The displacements of the current level relative to the other level above or below are considered. The preferred framing system should meet drift requirements.
1. Up to 20 floored building subjected to seismic load for Visakhapatnam without shear wall
2. Up to 20 floored building subjected to seismic load for Visakhapatnam with shear wall
Key words: Seismic Behavior, Shear Wall, Orientation of shear wall, Story Drift, Serviceability. staad.pro
SEISMIC PROTECTION OF RC FRAMES USING FRICTION DAMPERSIAEME Publication
The increasing infrastructural growth incurs large investments and large section of society
being served by them, it is necessary to make them safer against earthquakes and let people
feel confident in their structures. The need for structural response control has gained pace in
application around the globe. This paper discusses the use and effectiveness of one such
device, friction dampers, for response control of structures. In this paper a non-linear time
history analysis has been carried out on a 3D model of a 12 story RCC MRF building using 3-
directional synthetic accelerogram. Two different cases of building models with and without
friction dampers have been analyzed using ETABS. The response of the structure to seismic
excitation in terms of absolute maximum displacement and story drift has been compared.
Time history response plots have also been compared for various responses viz. roof
displacement and acceleration, base shear and story shear forces, along with the various
energy components and damping behavior. The results of the time history analysis are in close
conformation with previous investigations and represent the effectiveness of dampers in
improving the structural response as well as damping demand on structural systems.
IRJET- Review Paper on Convincement based Seismic Design of Open Ground Store...IRJET Journal
This document summarizes research on the seismic design of open ground storey framed buildings. It discusses how open ground storey buildings are vulnerable in earthquakes due to soft-storey behavior. The document reviews various studies on seismic analysis of irregular buildings using software like ETABS. It is proposed to conduct time history analysis of multi-storey reinforced concrete buildings considering mass irregularity at different floor levels to understand seismic response. The conclusion discusses how seismic analysis is important for structures and how responses can be reduced by adding shear walls or base isolation.
This document summarizes a study on the seismic response behavior of a half-through steel arch bridge using static pushover analysis and dynamic analysis. The key points are:
1) A half-through steel arch bridge model was analyzed using static pushover analysis under different loading cases and dynamic analysis using earthquake ground motion records.
2) The analyses found that members near the intersections of arch ribs and stiffened girders yielded first, and plastic zones developed at diagonal braces between arch ribs.
3) Static pushover analysis showed larger strains in members compared to dynamic analysis, which accounts for both geometric and material nonlinearity.
IRJET- Analysis of Irregular RCC Framed Structure for Fundamental Natural...IRJET Journal
1) The document analyzes the fundamental natural period of irregular reinforced concrete framed structures. It compares estimates of fundamental period from existing code equations, Rayleigh's method, and computer analysis.
2) Models of structures with various irregularities - including setbacks, mass irregularity, soft story, and reentrant corners - are analyzed. Existing code Equation 4 is found to provide the most conservative estimate of fundamental period for structures under 35m, followed by Equation 1.
3) In general, regular structures tend to have longer fundamental periods than irregular structures. Accurately estimating fundamental period is important for seismic analysis of irregular structures.
IRJET- Seismic Effects on Irregular Buildings- State of the ArtIRJET Journal
This document summarizes research on the seismic effects on irregular buildings. It begins by defining irregular buildings as those with irregular distributions of mass, stiffness, or strength along the height. Previous earthquakes have shown damage is greater in irregular buildings. The document then discusses several recent studies that have evaluated the seismic response of irregular buildings through modeling and analysis, finding increased stresses, drift, and torsion effects compared to regular buildings. It concludes that accurately evaluating the seismic behavior of irregular buildings remains challenging.
IRJET- A Study of Various Structural Framing Systems Subjected to Seismic LoadsIRJET Journal
This document summarizes previous research on analyzing the seismic behavior of different structural framing systems. Studies have compared the performance of Ordinary Moment Resisting Frames (OMRF) and Special Moment Resisting Frames (SMRF) in various seismic zones. The current study aims to compare the behavior of OMRF and SMRF structures in zones 3, 4, and 5 under seismic loads. It also examines using lightweight materials like siporex in zone 5 to improve seismic performance.
IRJET- Performance Study of High Rise Building with Bracing and Diagrid Struc...IRJET Journal
This document presents a study on the performance of high-rise buildings with bracing and diagrid structures under lateral loads. It analyzes a 30-story building model with different structural configurations - a regular frame, diagrid system, and bracing system - using the ETABS software. The study finds that the diagrid structure performs best in terms of minimizing storey displacement, drift, and increasing frequency compared to the other models. It concludes that the diagrid structure is the stiffest and most effective at resisting lateral loads like earthquakes. Bracing systems are also better than bare frames at increasing stability, but diagrid structures provide the best performance overall.
IRJET- Comparative Analysis of Moment Resisting Frames of Steel and Composit...IRJET Journal
This document compares moment resisting frames made of steel composite materials and reinforced concrete (RC) under seismic loading. Four models each of a G+10 and G+20 building were analyzed with ETABS software - two as ordinary moment resisting frames (OMRF) and two as special moment resisting frames (SMRF). Results for steel composite frames showed lower displacement, drift, and shear compared to RC frames, but within acceptable limits. Steel composite structures provide advantages over RC structures such as reduced weight, cost, and faster construction for high-rise buildings.
Strengthening of R.C Framed Structure Using Energy Dissipating Devicespaperpublications3
Abstract: The Dampers which is added to the building scheme without any interruption to the present constituent of the building. In past days retrofitting structures are use full in the construction field however a good understanding of restraints involvement to increase the structure capacities and decreasing the seismic demand in specifically to the design process. In this work consider the energy dissipating devices for seismic strengthening of 5 stories concrete structure in this study involves viscous damping devices of V Type and Inverted V Type dampers with different effective stiffness, to prevent building damage or collapse in major earthquake.
Analysis and Optimum Design for Steel Moment Resisting Frames to Seismic Exci...IJCMESJOURNAL
The essential purpose of this wander is to develop an Interior Penalty Function (IPF) based estimation to multi-storey steel traces for slightest weight of frames. The frames are proposed for contradicting even impact in view of seismic stacking close by gravity forces. Various structural stems are used for restricting seismic (lateral) forces; however steel moment resisting frames (MRFs) are considered for the present work. The framework solidifies codal courses of action of IS 800-2007, as needs be gets the edges with perfect weight for in-plane moments with lateral support of beam element. Strength and buckling criteria are considered as direct goals close by side constraints in formulating optimization problem. A Software program is made that uses an interior penalty function (IPF) for weight minimization of two-dimensional moment restricting steel encompassed structures. The program uses MATLAB, performs one dimensional interest, and structural design in an iterative technique. The design cases have exhibited that the proposed estimation gives a beneficial instrument to the practicing fundamental algorithm. The program is associated with 6 and 9 storey (4 bays) moment resisting frames (MRFs). The program showed its capacity of optimizing the largeness of two medium size frames. To get part obliges in frames an examination technique must be associated. In the present work Equivalent Lateral Force framework (ELF) and material nonlinear time history analysis (NTH) are associated and perfect qualities gained from both the examinations are contemplated.
Seismic performance evaluation of rc building connected with and without x br...eSAT Journals
Abstract The dissertation work is concerned with the comparison of the seismic evaluation of RC buildings connected with and without friction dampers, the method carried out in terms of equivalent static, response spectrum and pushover analysis according to IS 1893:2002(part1) code.G+5, G+10 and G+15 storey buildings respectively are considered for the analysis. In this analysis for friction damper buildings, the dampers are connected at corners of all the buildings. The comparison of equivalent static method and response spectrum method by using finite element software package ETABS version 9.7.4 is used to perform the modeling and analysis of G+5, G+10 and G+15 storey buildings by considering the seismic zone IV as per IS 1893:2002(part 1) code. For analysis various IS codes have been referred. For Gravity load combination IS 456:2000 and for 0.9, 1.2 and 1.5 seismic load combinations as per IS 1893:2002 (part 1) code is referred. In this study building model analysis carried out namely gravity, equivalent static and response spectrum in longitudinal direction & transverse direction discussed and comparisons of codal values of the software analysis values. Results of these analyses are discussed in terms of the time period, storey displacement, storey drift and base shear. From these results it is concluded that time period, storey displacement and storey drift will be more in regular buildings compare with the friction damper buildings, whereas the base shear will be less in regular buildings compare with the friction damper buildings. Keywords – Friction dampers; Fundamental natural time period, Base shear, Lateral displacement and Storey drift.
Buckling Analysis and Stability of Compressed Low-Carbon Steel Rods in the El...► Victor Yepes
This paper presents new approaches for solving a problem of the stability of compressed rods in the elastoplastic working region of materials. It is known that the columns of buildings, supports of engineering devices, drill rods of oil, and gas extraction industry may be subjected to significant risk of stability loss. Nowadays, there are design methods based on test results defining the relations (e.g., critical stresses-slenderness) to avoid this risk due to stability loss, but the precision and limits of definition are not always known. The main objectives of the study were to develop new approaches that would allow specifying the values of critical stresses of compressed elements beyond the proportional limit. The problem of stability of the compressed elements in the elastoplastic region was studied according to the stability theory. The authors suggested an original approach to the issue; in particular, the determination of values of the critical stresses and the finding of the points of the bifurcation were carried out by the tangent established by experimental results and by the approximation of the so-called double modulus. Comparative analysis showed the advantage of the proposed approach, particularly that the new critical curves were located below the curves of Engesser-Karman and Shanley and above the critical curves established by building codes. A new approach for the determination of critical stresses in the elastoplastic region was developed through which the structural reliability and economic efficiency was increased by almost 12% compared to the existing approaches.
IRJET- Seismic Performance Assessment of Multi-Storeyed RC Special Moment...IRJET Journal
This document summarizes a study that used pushover analysis to assess the seismic performance of special and ordinary moment resisting frames (SMRF and OMRF). SAP2000 software was used to model and analyze multi-storey RC frames. The study found that SMRF exhibited less plastic hinge formation and lower joint displacements compared to OMRF under seismic loading, indicating better seismic performance. No plastic hinges were observed in SMRF, while OMRF showed yielding at supports. The results validate the higher response reduction factor assigned to SMRF by Indian codes.
IRJET- Analysis and Design of Regular and Irregular BuildingsIRJET Journal
The document analyzes and compares the structural design of regular and irregular reinforced concrete (RCC) buildings. It finds that irregular buildings experience increased torsion effects due to the center of mass and stiffness not coinciding. For an irregular L-shaped building studied, maximum horizontal displacement and torsion induced were higher compared to the regular building. Column forces and design requirements also differed between the regular and irregular structures due to the additional torsion effects in the irregular building. The study concludes that irregular building designs require relatively higher structural sections to account for increased stresses from torsion.
IRJET- Seismic Analysis of Low Rise, Mid Rise and High Rise RCC Structure on ...IRJET Journal
1. The document discusses seismic analysis of low, mid, and high-rise reinforced concrete (RCC) structures located on sloping ground. It analyzes the structures using equivalent static, response spectrum, and time history methods in ETABS software.
2. The analysis focuses on parameters like storey displacement, base shear, storey drift, time period, and modal participating factors. It aims to understand how seismic performance of RCC structures is affected by placement on sloping ground at different angles.
3. Equivalent static analysis uses a static lateral force to approximate dynamic seismic loading. Response spectrum analysis uses the structure's natural frequency and a ground response spectrum to estimate peak response. Time history analysis considers dynamic response over
Seismic Analysis of Multi Storey RC Building with and Without Fluid Viscous D...ijtsrd
Earthquake is the important term that comes to mind while designing any multistory building. Earthquake is one of the most disastrous of natural criteria. Seismic waves are the main reason for development of vibration in the ground, impact of this will cause damage to the building. In this study G 12 storey building of rectangular plan is considered for the seismic analysis. The equivalent static method and response sectrum method is used for seismic evaluation of building with and without fluid viscous damper. ETABs 2017 software used for the analysis of the building, by considering seismic zone V and medium soil Type II as per IS 1893 2016. Storey displacement, storey shear, storey drift and modal periods and frequencies are considered for checking the performances of the building. Objective of this study is to compare results obtained from static and response spectrum analysis in both longitudinal and transverse direction for with and without damper building. Varun M | B S Sureshchandra "Seismic Analysis of Multi Storey RC Building with and Without Fluid Viscous Damper" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33390.pdf Paper Url: https://www.ijtsrd.com/engineering/structural-engineering/33390/seismic-analysis-of-multi-storey-rc-building-with-and-without-fluid-viscous-damper/varun-m
IRJET- Seismic Evolution of Soft Storeyed Structures When Exposed to Earth Qu...IRJET Journal
This document summarizes a study on strengthening soft-story buildings to improve their seismic performance. Soft-story buildings, which have open or weaker first floors, perform poorly in earthquakes. The study models an 8-story reinforced concrete building under different structural configurations, including bare frame, infill masonry walls, shear walls, and bracing systems. Nonlinear static pushover analysis is used to evaluate the capacity and seismic response of each model. The results show that including infill walls, shear walls or bracing systems increases the building's lateral stiffness and decreases its fundamental natural period compared to the bare frame model. Strengthening the ground floor improves the seismic resistance of soft-story buildings.
Effect of Friction Dampers on RC Structures Subjected to Earthquakeijtsrd
Among all the natural disasters such as flood, earthquake, drought, hurricanes the least understood and the most destructive one is earthquake. Since, they cause many of injuries and economical losses leaving behind a series of signs of panic. Necessity to implement seismic codes in building design. For this a better method of analysis such as static analysis, dynamic analysis and time history analysis has to be adopted for performing the structures seismic risk assessment. This dissertation work is concerned with the "Studies on Effect of Friction Dampers on the Seismic Performance of RC G 15 Storey Buildings" According to IS 1893 part 1 2002 codal provisions the structures are analyzed by Equivalent Static method and Time History method. The modeling and analysis is done with ETAB SOFTWARE and the results obtained are seismic parameters such as Time period, Base shear, Lateral displacement and Inter storey drift, storey stiffness, storey accelaration are tabulated and then comparative study of structures with and without Friction dampers has been done. Akshay R | B. S. Suresh Chandra "Effect of Friction Dampers on RC Structures Subjected to Earthquake" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd28017.pdfPaper URL: https://www.ijtsrd.com/engineering/structural-engineering/28017/effect-of-friction-dampers-on-rc-structures-subjected-to-earthquake/akshay-r
IRJET - Seismic Comparison of OMRF & SMRF Structural System on Zone IIIRJET Journal
This document summarizes research on comparing the seismic performance of Ordinary Moment Resisting Frames (OMRFs) and Special Moment Resisting Frames (SMRFs). Several studies are reviewed that analyze the response of OMRF and SMRF buildings to earthquake loading, specifically examining parameters like base shear, story drift, displacements and forces. The studies generally find that SMRFs perform better under seismic loads - experiencing lower forces and displacements. SMRFs are therefore considered more effective and safer for earthquake-resistant design.
Review paper on seismic responses of multistored rcc building with mass irreg...eSAT Journals
Abstract
From past earthquakes it is proved that many of structure are totally or partially damaged due to earthquake. So, it is necessary to determine seismic responses of such buildings. There are different techniques of seismic analysis of structure. Time history analysis is one of the important techniques for structural seismic analysis generally the evaluated structural response is non-linear in nature. For such type of analysis, a representative earthquake time history is required. In this project work seismic analysis of RCC buildings with mass irregularity at different floor level are carried out. Here for analysis different time histories have been used. This paper highlights the effect of mass irregularity on different floor in RCC buildings with time history and analysis is done by using ETABS software.
Keywords: Seismic Analysis, Time History Analysis, Base Shear, Storey Shear, Story Displacement.
A Review on Earthquake Vulnerability AssessmentIRJET Journal
This document provides a review of earthquake vulnerability assessment. It discusses fragility curves, which show the probability of exceeding certain damage levels as a function of ground motion intensity. Fragility curves are developed using incremental dynamic analysis (IDA), which involves performing nonlinear time history analyses while gradually increasing ground motion intensities. IDA provides structural response over a range of intensities from elastic to collapse. The document also reviews several studies on developing fragility curves for buildings using IDA and analyzing the seismic performance of base isolated structures through experimental testing.
A comparative study of omrf & smrf structural system for tall & high ...eSAT Journals
Abstract The objective of this study is to investigate the seismic behavior of the structure i.e... OMRF (Ordinary moment resisting frame) & SMRF (Special R C moment Resisting frame). For this purpose 5th, 10th, 15th , 20th storied structure were modeled and analysis was done using Staad.Pro software and using the codes for analysis, IS 1893:2002, IS 456: 2000. The study assumed that the buildings were located in seismic zone II (Visakhapatnam region).The study involves the design of alternate shear wall in a structural frame and its orientation, which gives better results for the OMRF & SMRF structure constructed in and around Visakhapatnam region. The buildings are modeled with floor area of 600 sqm (20m x30m) with 5 bays along 20 m span each 4 m. and 5 bays along the 30 m span each 6 m. The design is carried out using STAAD.PRO software. Shear walls are designed by taking the results of the maximum value of the stress contour and calculation are done manually by using IS 456-2000 and IS 13920-1993. The displacements of the current level relative to the other level above or below are considered. The preferred framing system should meet drift requirements.
1. Up to 20 floored building subjected to seismic load for Visakhapatnam without shear wall
2. Up to 20 floored building subjected to seismic load for Visakhapatnam with shear wall
Key words: Seismic Behavior, Shear Wall, Orientation of shear wall, Story Drift, Serviceability. staad.pro
SEISMIC PROTECTION OF RC FRAMES USING FRICTION DAMPERSIAEME Publication
The increasing infrastructural growth incurs large investments and large section of society
being served by them, it is necessary to make them safer against earthquakes and let people
feel confident in their structures. The need for structural response control has gained pace in
application around the globe. This paper discusses the use and effectiveness of one such
device, friction dampers, for response control of structures. In this paper a non-linear time
history analysis has been carried out on a 3D model of a 12 story RCC MRF building using 3-
directional synthetic accelerogram. Two different cases of building models with and without
friction dampers have been analyzed using ETABS. The response of the structure to seismic
excitation in terms of absolute maximum displacement and story drift has been compared.
Time history response plots have also been compared for various responses viz. roof
displacement and acceleration, base shear and story shear forces, along with the various
energy components and damping behavior. The results of the time history analysis are in close
conformation with previous investigations and represent the effectiveness of dampers in
improving the structural response as well as damping demand on structural systems.
IRJET- Review Paper on Convincement based Seismic Design of Open Ground Store...IRJET Journal
This document summarizes research on the seismic design of open ground storey framed buildings. It discusses how open ground storey buildings are vulnerable in earthquakes due to soft-storey behavior. The document reviews various studies on seismic analysis of irregular buildings using software like ETABS. It is proposed to conduct time history analysis of multi-storey reinforced concrete buildings considering mass irregularity at different floor levels to understand seismic response. The conclusion discusses how seismic analysis is important for structures and how responses can be reduced by adding shear walls or base isolation.
This document summarizes a study on the seismic response behavior of a half-through steel arch bridge using static pushover analysis and dynamic analysis. The key points are:
1) A half-through steel arch bridge model was analyzed using static pushover analysis under different loading cases and dynamic analysis using earthquake ground motion records.
2) The analyses found that members near the intersections of arch ribs and stiffened girders yielded first, and plastic zones developed at diagonal braces between arch ribs.
3) Static pushover analysis showed larger strains in members compared to dynamic analysis, which accounts for both geometric and material nonlinearity.
IRJET- Analysis of Irregular RCC Framed Structure for Fundamental Natural...IRJET Journal
1) The document analyzes the fundamental natural period of irregular reinforced concrete framed structures. It compares estimates of fundamental period from existing code equations, Rayleigh's method, and computer analysis.
2) Models of structures with various irregularities - including setbacks, mass irregularity, soft story, and reentrant corners - are analyzed. Existing code Equation 4 is found to provide the most conservative estimate of fundamental period for structures under 35m, followed by Equation 1.
3) In general, regular structures tend to have longer fundamental periods than irregular structures. Accurately estimating fundamental period is important for seismic analysis of irregular structures.
IRJET- Seismic Effects on Irregular Buildings- State of the ArtIRJET Journal
This document summarizes research on the seismic effects on irregular buildings. It begins by defining irregular buildings as those with irregular distributions of mass, stiffness, or strength along the height. Previous earthquakes have shown damage is greater in irregular buildings. The document then discusses several recent studies that have evaluated the seismic response of irregular buildings through modeling and analysis, finding increased stresses, drift, and torsion effects compared to regular buildings. It concludes that accurately evaluating the seismic behavior of irregular buildings remains challenging.
IRJET- A Study of Various Structural Framing Systems Subjected to Seismic LoadsIRJET Journal
This document summarizes previous research on analyzing the seismic behavior of different structural framing systems. Studies have compared the performance of Ordinary Moment Resisting Frames (OMRF) and Special Moment Resisting Frames (SMRF) in various seismic zones. The current study aims to compare the behavior of OMRF and SMRF structures in zones 3, 4, and 5 under seismic loads. It also examines using lightweight materials like siporex in zone 5 to improve seismic performance.
IRJET- Performance Study of High Rise Building with Bracing and Diagrid Struc...IRJET Journal
This document presents a study on the performance of high-rise buildings with bracing and diagrid structures under lateral loads. It analyzes a 30-story building model with different structural configurations - a regular frame, diagrid system, and bracing system - using the ETABS software. The study finds that the diagrid structure performs best in terms of minimizing storey displacement, drift, and increasing frequency compared to the other models. It concludes that the diagrid structure is the stiffest and most effective at resisting lateral loads like earthquakes. Bracing systems are also better than bare frames at increasing stability, but diagrid structures provide the best performance overall.
IRJET- Comparative Analysis of Moment Resisting Frames of Steel and Composit...IRJET Journal
This document compares moment resisting frames made of steel composite materials and reinforced concrete (RC) under seismic loading. Four models each of a G+10 and G+20 building were analyzed with ETABS software - two as ordinary moment resisting frames (OMRF) and two as special moment resisting frames (SMRF). Results for steel composite frames showed lower displacement, drift, and shear compared to RC frames, but within acceptable limits. Steel composite structures provide advantages over RC structures such as reduced weight, cost, and faster construction for high-rise buildings.
Strengthening of R.C Framed Structure Using Energy Dissipating Devicespaperpublications3
Abstract: The Dampers which is added to the building scheme without any interruption to the present constituent of the building. In past days retrofitting structures are use full in the construction field however a good understanding of restraints involvement to increase the structure capacities and decreasing the seismic demand in specifically to the design process. In this work consider the energy dissipating devices for seismic strengthening of 5 stories concrete structure in this study involves viscous damping devices of V Type and Inverted V Type dampers with different effective stiffness, to prevent building damage or collapse in major earthquake.
Analysis and Optimum Design for Steel Moment Resisting Frames to Seismic Exci...IJCMESJOURNAL
The essential purpose of this wander is to develop an Interior Penalty Function (IPF) based estimation to multi-storey steel traces for slightest weight of frames. The frames are proposed for contradicting even impact in view of seismic stacking close by gravity forces. Various structural stems are used for restricting seismic (lateral) forces; however steel moment resisting frames (MRFs) are considered for the present work. The framework solidifies codal courses of action of IS 800-2007, as needs be gets the edges with perfect weight for in-plane moments with lateral support of beam element. Strength and buckling criteria are considered as direct goals close by side constraints in formulating optimization problem. A Software program is made that uses an interior penalty function (IPF) for weight minimization of two-dimensional moment restricting steel encompassed structures. The program uses MATLAB, performs one dimensional interest, and structural design in an iterative technique. The design cases have exhibited that the proposed estimation gives a beneficial instrument to the practicing fundamental algorithm. The program is associated with 6 and 9 storey (4 bays) moment resisting frames (MRFs). The program showed its capacity of optimizing the largeness of two medium size frames. To get part obliges in frames an examination technique must be associated. In the present work Equivalent Lateral Force framework (ELF) and material nonlinear time history analysis (NTH) are associated and perfect qualities gained from both the examinations are contemplated.
Seismic performance evaluation of rc building connected with and without x br...eSAT Journals
Abstract The dissertation work is concerned with the comparison of the seismic evaluation of RC buildings connected with and without friction dampers, the method carried out in terms of equivalent static, response spectrum and pushover analysis according to IS 1893:2002(part1) code.G+5, G+10 and G+15 storey buildings respectively are considered for the analysis. In this analysis for friction damper buildings, the dampers are connected at corners of all the buildings. The comparison of equivalent static method and response spectrum method by using finite element software package ETABS version 9.7.4 is used to perform the modeling and analysis of G+5, G+10 and G+15 storey buildings by considering the seismic zone IV as per IS 1893:2002(part 1) code. For analysis various IS codes have been referred. For Gravity load combination IS 456:2000 and for 0.9, 1.2 and 1.5 seismic load combinations as per IS 1893:2002 (part 1) code is referred. In this study building model analysis carried out namely gravity, equivalent static and response spectrum in longitudinal direction & transverse direction discussed and comparisons of codal values of the software analysis values. Results of these analyses are discussed in terms of the time period, storey displacement, storey drift and base shear. From these results it is concluded that time period, storey displacement and storey drift will be more in regular buildings compare with the friction damper buildings, whereas the base shear will be less in regular buildings compare with the friction damper buildings. Keywords – Friction dampers; Fundamental natural time period, Base shear, Lateral displacement and Storey drift.
Buckling Analysis and Stability of Compressed Low-Carbon Steel Rods in the El...► Victor Yepes
This paper presents new approaches for solving a problem of the stability of compressed rods in the elastoplastic working region of materials. It is known that the columns of buildings, supports of engineering devices, drill rods of oil, and gas extraction industry may be subjected to significant risk of stability loss. Nowadays, there are design methods based on test results defining the relations (e.g., critical stresses-slenderness) to avoid this risk due to stability loss, but the precision and limits of definition are not always known. The main objectives of the study were to develop new approaches that would allow specifying the values of critical stresses of compressed elements beyond the proportional limit. The problem of stability of the compressed elements in the elastoplastic region was studied according to the stability theory. The authors suggested an original approach to the issue; in particular, the determination of values of the critical stresses and the finding of the points of the bifurcation were carried out by the tangent established by experimental results and by the approximation of the so-called double modulus. Comparative analysis showed the advantage of the proposed approach, particularly that the new critical curves were located below the curves of Engesser-Karman and Shanley and above the critical curves established by building codes. A new approach for the determination of critical stresses in the elastoplastic region was developed through which the structural reliability and economic efficiency was increased by almost 12% compared to the existing approaches.
IRJET- Seismic Performance Assessment of Multi-Storeyed RC Special Moment...IRJET Journal
This document summarizes a study that used pushover analysis to assess the seismic performance of special and ordinary moment resisting frames (SMRF and OMRF). SAP2000 software was used to model and analyze multi-storey RC frames. The study found that SMRF exhibited less plastic hinge formation and lower joint displacements compared to OMRF under seismic loading, indicating better seismic performance. No plastic hinges were observed in SMRF, while OMRF showed yielding at supports. The results validate the higher response reduction factor assigned to SMRF by Indian codes.
IRJET- Analysis and Design of Regular and Irregular BuildingsIRJET Journal
The document analyzes and compares the structural design of regular and irregular reinforced concrete (RCC) buildings. It finds that irregular buildings experience increased torsion effects due to the center of mass and stiffness not coinciding. For an irregular L-shaped building studied, maximum horizontal displacement and torsion induced were higher compared to the regular building. Column forces and design requirements also differed between the regular and irregular structures due to the additional torsion effects in the irregular building. The study concludes that irregular building designs require relatively higher structural sections to account for increased stresses from torsion.
IRJET- Seismic Analysis of Low Rise, Mid Rise and High Rise RCC Structure on ...IRJET Journal
1. The document discusses seismic analysis of low, mid, and high-rise reinforced concrete (RCC) structures located on sloping ground. It analyzes the structures using equivalent static, response spectrum, and time history methods in ETABS software.
2. The analysis focuses on parameters like storey displacement, base shear, storey drift, time period, and modal participating factors. It aims to understand how seismic performance of RCC structures is affected by placement on sloping ground at different angles.
3. Equivalent static analysis uses a static lateral force to approximate dynamic seismic loading. Response spectrum analysis uses the structure's natural frequency and a ground response spectrum to estimate peak response. Time history analysis considers dynamic response over
Seismic Analysis of Multi Storey RC Building with and Without Fluid Viscous D...ijtsrd
Earthquake is the important term that comes to mind while designing any multistory building. Earthquake is one of the most disastrous of natural criteria. Seismic waves are the main reason for development of vibration in the ground, impact of this will cause damage to the building. In this study G 12 storey building of rectangular plan is considered for the seismic analysis. The equivalent static method and response sectrum method is used for seismic evaluation of building with and without fluid viscous damper. ETABs 2017 software used for the analysis of the building, by considering seismic zone V and medium soil Type II as per IS 1893 2016. Storey displacement, storey shear, storey drift and modal periods and frequencies are considered for checking the performances of the building. Objective of this study is to compare results obtained from static and response spectrum analysis in both longitudinal and transverse direction for with and without damper building. Varun M | B S Sureshchandra "Seismic Analysis of Multi Storey RC Building with and Without Fluid Viscous Damper" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33390.pdf Paper Url: https://www.ijtsrd.com/engineering/structural-engineering/33390/seismic-analysis-of-multi-storey-rc-building-with-and-without-fluid-viscous-damper/varun-m
IRJET- Seismic Evolution of Soft Storeyed Structures When Exposed to Earth Qu...IRJET Journal
This document summarizes a study on strengthening soft-story buildings to improve their seismic performance. Soft-story buildings, which have open or weaker first floors, perform poorly in earthquakes. The study models an 8-story reinforced concrete building under different structural configurations, including bare frame, infill masonry walls, shear walls, and bracing systems. Nonlinear static pushover analysis is used to evaluate the capacity and seismic response of each model. The results show that including infill walls, shear walls or bracing systems increases the building's lateral stiffness and decreases its fundamental natural period compared to the bare frame model. Strengthening the ground floor improves the seismic resistance of soft-story buildings.
Parametric Evaluation of Tall Structure with Various Lateral Load Resisting S...ijtsrd
The high rise buildings are majorly suffering with seismic forces, it can be found out by displacement parameter. The more the displacement the lesser will be the stiffness of the structure. The static analysis is having higher displacement value than response spectrum analysis. The increase in percentage is about 17 . This will increase the construction cost due to increase in stiffness. The base shear value increases with increase in weight of the structure. However, the diagrid structure seems to be having lesser weight than all other models. From the overall analysis it is proved that, diagrid structure is very much effective than any other structure. However, in case of constraint in providing diagrid due to its architectural features, the outrigger system with bracing will be very much effective. Mahadevaprasad M | B S Sureshchandra "Parametric Evaluation of Tall Structure with Various Lateral Load Resisting Systems Subjected to Dynamic Loadings" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33654.pdf Paper Url: https://www.ijtsrd.com/engineering/structural-engineering/33654/parametric-evaluation-of-tall-structure-with-various-lateral-load-resisting-systems-subjected-to-dynamic-loadings/mahadevaprasad-m
Seismic Evolution of Soft Storeyed Buildings when Subjected to Real Time Eart...IRJET Journal
This document discusses seismic evaluation of soft-storey buildings and methods to strengthen them. It begins with an abstract stating that buildings are often designed without considering the structural effects of masonry infill walls. During earthquakes, buildings with open ground floors (soft-storeys) perform poorly as the ground floor columns cannot provide adequate shear resistance. The document then evaluates 8 building models with different lateral load resisting systems - bare frame, masonry infill, shear walls, bracing - using linear static, linear dynamic and nonlinear static (pushover) analysis methods. It provides the design data, load calculations, time period calculations, and equivalent static analysis as per Indian codes for the models. Distribution of lateral forces is also shown
Strengthening of RC Framed Structure Using Energy Dissipation DevicesIOSR Journals
A large numbers of existing buildings in India are severely deficient against earthquake forces and
the number of such buildings is growing very rapidly. This paper presents a way of using energy dissipation
devices for seismic strengthening of a RC framed structure. The objective was to improve the seismic
performance of the building to resist the earthquake. The viscous dampers are used as an energy dissipation
device in the form of single, double, inverted V, V type of dampers with different percentages of damping such
as 10%, 20% and 30% to prevent building from collapse in a major earthquake and also to control the damage
during earthquake. The performance of the buildings is assessed as per the procedure prescribed in ATC-40
and FEMA 356.
IRJET- Structural Analysis of Seismic Friction DampersIRJET Journal
The document discusses the structural analysis of seismic friction dampers. It summarizes that friction dampers are installed in buildings in a way that their moving parts slide during earthquakes to dissipate seismic energy. Two building models are analyzed using pushover analysis: a rectangular building with rectangular columns and dampers, and a rectangular building without dampers. The results show that the building with dampers experiences lower lateral displacements, base shear, and story drift compared to the building without dampers under earthquake loading. Friction dampers thus help improve a building's seismic performance by reducing its response.
Seismic Vulnerability of RC Building With and Without Soft Storey Effect Usi...IJMER
A soft storey is one which has less resistance to earthquake forces than the other storeys;
Buildings containing soft stories are extremely vulnerable to earthquake collapses, since one floor is
flexible compared to others. Vulnerability of buildings is important in causing risk to life hence special
consideration is necessary for such soft storey RC buildings. In the present study, analytical
investigation of a RC building by considering the effect of soft storey situated in seismic Zone-V of
India, in accordance with IS 1893-2002 (part-1), is taken as an example and the various analytical
approaches (linear static and nonlinear static analysis) are performed on the building to identify the
seismic demand and also pushover analysis is performed to determine the performance levels, and
Capacity spectrum of the considered, also Storey Shear is compared for 3 models by using Finite
Element Software Package ETAB’s 9.7.4 version.
Comparison of Seismic Analysis of Multistorey Building Resting on Sloped Grou...IRJET Journal
This document presents a comparison of seismic analysis of multistory buildings resting on sloped ground with different slope angles and shear walls using ETABS software. It models and analyzes reinforced concrete structures with slopes of 0, 10, 20, and 30 degrees considering factors like story drift, displacements, and shear forces. The study aims to understand how slope influences building behavior. It loads the structures, performs response spectrum analysis, and compares parameters. Results show the 0 degree slope structure has minimum displacement, drift, and shear values, indicating it performs best under earthquake loads. This research helps evaluate building performance on sloped sites.
IRJET- Seismic Analysis of Plan Regular and Irregular BuildingsIRJET Journal
This document analyzes the seismic performance of regular and irregular 15-story reinforced concrete buildings using ETABS 2015 software. Two irregular buildings (Models 2 and 3) and one regular building (Model 1) are modeled and analyzed. Both equivalent static analysis and response spectrum analysis are conducted. The results show that story displacement is highest for the irregular Models 3 and 2 compared to the regular Model 1. Base shear is highest for the regular Model 1 building compared to the irregular models. In conclusion, plan irregularity increases story displacement, while decreasing base shear compared to a regular building.
Seismic Fragility Analysis of Regular and Vertical Setback R/C Frame BuildingsIJERA Editor
This document summarizes a study on seismic fragility analysis of regular and vertically setback reinforced concrete (RC) frame buildings. The study developed fragility curves to assess damage probability for buildings with setbacks on different stories, as well as for buildings with and without infill walls. Fragility curves were generated using capacity spectrum method and incremental dynamic analysis. The results found that setback buildings were more vulnerable than regular buildings, but setbacks with infill walls performed similar to regular RC buildings. The study concluded vertical setbacks increase vulnerability, while infill walls can improve seismic performance to the level of regular buildings.
Performing Pushover Analysis on High Rise Building With and Without Shear WallIRJET Journal
This document discusses performing pushover analysis on a high rise building model with and without shear walls. It describes modeling a 15-story building in ETABS and analyzing it using pushover analysis. Four models are considered: a bare frame, shear walls at the center, shear walls at the exterior, and shear walls at the corners. Pushover analysis is conducted in both X and Y directions to determine storey forces, displacements, stiffness, and the base shear-displacement curve for each model. Results are presented in tables and graphs to compare the performance of each structural configuration under seismic loading.
COMPARATIVE ANALYSIS OF MULTISTORY BUILDING WITH AND WITHOUT SHEAR WALL, X BR...IRJET Journal
This document presents a comparative analysis of the seismic behavior of multistory reinforced concrete buildings with and without shear walls, X-bracing, and fluid viscous dampers. Four 30m tall building models are analyzed using ETABS software: a basic reinforced concrete structure, one with added shear walls, one with fluid viscous dampers, and one with X-bracing. The results show that the addition of shear walls is most effective at reducing displacement, drift, and increasing story stiffness compared to the other seismic retrofitting methods. In conclusion, shear walls placed at building corners provide the best seismic performance by significantly decreasing displacement while increasing structural strength and stiffness.
Influence of Concrete and Steel Outrigger and Belt Truss in High Rise Moment ...IRJET Journal
1. The document analyzes 7 models of a 44-story reinforced concrete frame building with different outrigger and belt truss configurations to evaluate their effectiveness in reducing lateral displacement, storey drifts, base shear, and fundamental time periods under wind and earthquake loads.
2. Analysis found that a model with X-braced outriggers was most effective at reducing top storey displacement by 29.21% and maximum story drift by 26.64% compared to the bare frame model without outriggers. A model with a belt truss was also effective, reducing displacement by 34.57% and drift by 30.75%.
3. Steel outriggers provided the least benefit, reducing displacement by only
Investigation on performance based non linear pushover analysis of flat plate...Yousuf Dinar
This document summarizes an investigation into the performance of flat plate reinforced concrete buildings under nonlinear pushover analysis. The study evaluates bare frame structures with different percentages of masonry infill, as well as structures with soft stories or shear walls. Pushover analysis was performed on a 7-story model building to determine base shear, displacement, story drift, and hinge formation at different performance levels. Results show that infill and shear walls improve seismic performance by reducing displacement, and that placing soft stories higher in the structure increases strength and stability. Shear walls performed best and controlled hinge formation, indicating more uniform response.
IRJET- Review on Seismic Analyses of RC Frame Structure by using Bracing ...IRJET Journal
This document reviews seismic analysis of reinforced concrete frame structures using different bracing systems. It compares the performance of 4 building types (L, C, O, and rectangular shapes) with 4 different bracing types in each, keeping the constructed area the same. The response spectrum method is used to analyze the structures in ETABS software. Story shear, story displacement, and story stiffness are compared to evaluate the structural performance under earthquake loads. Concentric and eccentric bracing systems are described, with eccentric bracing frames noted as a newer system developed to resist seismic events in a predictable manner.
IRJET- Review on Seismic Analyses of RC Frame Structure by using Bracing ...IRJET Journal
This document provides a review of using different bracing systems to improve the seismic performance of reinforced concrete frame structures. It discusses four types of bracing systems - concentric, eccentric, X, and zipper bracing. Nonlinear static pushover analysis and dynamic time history analysis are used to analyze structures with and without bracing. The results show that adding bracing can significantly enhance the strength, deformation capacity, and ductility of structures compared to unbraced structures. Eccentric and zipper bracing generally provide better seismic performance than other bracing types depending on the bracing size and properties. Overall, incorporating bracing is an effective technique for retrofitting existing reinforced concrete buildings to improve their resistance to earthquake loads.
Modelling and Analysis of Pile FoundationIRJET Journal
This document discusses the modeling and analysis of pile foundations for a 10-storey reinforced concrete building. It describes modeling the building in ETABS software and performing equivalent static analysis and response spectrum analysis as per Indian codes. Key parameters of the building model are provided. Analysis results like fundamental time period, storey displacements, drifts, and base shear are obtained. The pile foundation is then modeled in SAFE software using the loadings from the building analysis. Piles and pile caps are designed according to Indian codes, with depth, punching shear, steel requirements, and vertical displacements checked against code limits. The document concludes the pile foundation provides an optimum foundation solution for the given soil conditions.
Seismic Performance and Shear Wall Location Assessment of a RC Building- Eva...IRJET Journal
1. The document evaluates the seismic performance of reinforced concrete buildings located on plain and sloping ground.
2. Non-linear static pushover analysis is conducted using SAP 2000 on a G+10 building model located on plain and sloping ground.
3. Results of the pushover analysis such as base shear, story displacement, story drift and story shear are compared between the plain and sloping ground models.
SEISMIC RESPONSE STUDY OF MULTI-STORIED REINFORCED CONCRETE BUILDING WITH FLU...IRJET Journal
This document summarizes a study that analyzed the seismic response of multi-story reinforced concrete buildings with the addition of fluid viscous dampers. The study used ETABS software to model buildings with and without dampers and subjected them to modal, time history and pushover analyses. It was found that buildings with fluid viscous dampers experienced reduced time periods of up to 90% and reduced base shear of up to 70% compared to buildings without dampers. Maximum story displacements were also reduced with the addition of fluid viscous dampers.
IRJET- Comparative Analysis of Effects of Base Isolator & Fluid Viscous Dampe...IRJET Journal
This document presents a comparative analysis of the effects of base isolators and fluid viscous dampers on the seismic response of reinforced concrete structures. It describes base isolators and fluid viscous dampers as passive seismic control techniques that help reduce structural response compared to fixed-base buildings. The objectives are to develop simplified models of a multi-story building with each seismic control technique and compare their responses through time history analysis under earthquake loads. Results show that base isolators generally provide better vibration control than fluid viscous dampers in terms of reducing story displacements, drifts, and other seismic demands.
Similar to Performance Based Analysis of RC Framed Structure with and without Dampers for Different Seismic Zones (20)
‘Six Sigma Technique’ A Journey Through its Implementationijtsrd
The manufacturing industries all over the world are facing tough challenges for growth, development and sustainability in today’s competitive environment. They have to achieve apex position by adapting with the global competitive environment by delivering goods and services at low cost, prime quality and better price to increase wealth and consumer satisfaction. Cost Management ensures profit, growth and sustainability of the business with implementation of Continuous Improvement Technique like Six Sigma. This leads to optimize Business performance. The method drives for customer satisfaction, low variation, reduction in waste and cycle time resulting into a competitive advantage over other industries which did not implement it. The main objective of this paper ‘Six Sigma Technique A Journey Through Its Implementation’ is to conceptualize the effectiveness of Six Sigma Technique through the journey of its implementation. Aditi Sunilkumar Ghosalkar "‘Six Sigma Technique’: A Journey Through its Implementation" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64546.pdf Paper Url: https://www.ijtsrd.com/other-scientific-research-area/other/64546/‘six-sigma-technique’-a-journey-through-its-implementation/aditi-sunilkumar-ghosalkar
Edge Computing in Space Enhancing Data Processing and Communication for Space...ijtsrd
Edge computing, a paradigm that involves processing data closer to its source, has gained significant attention for its potential to revolutionize data processing and communication in space missions. With the increasing complexity and data volume generated by modern space missions, traditional centralized computing approaches face challenges related to latency, bandwidth, and security. Edge computing in space, involving on board processing and analysis of data, offers promising solutions to these challenges. This paper explores the concept of edge computing in space, its benefits, applications, and future prospects in enhancing space missions. Manish Verma "Edge Computing in Space: Enhancing Data Processing and Communication for Space Missions" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64541.pdf Paper Url: https://www.ijtsrd.com/computer-science/artificial-intelligence/64541/edge-computing-in-space-enhancing-data-processing-and-communication-for-space-missions/manish-verma
Dynamics of Communal Politics in 21st Century India Challenges and Prospectsijtsrd
Communal politics in India has evolved through centuries, weaving a complex tapestry shaped by historical legacies, colonial influences, and contemporary socio political transformations. This research comprehensively examines the dynamics of communal politics in 21st century India, emphasizing its historical roots, socio political dynamics, economic implications, challenges, and prospects for mitigation. The historical perspective unravels the intricate interplay of religious identities and power dynamics from ancient civilizations to the impact of colonial rule, providing insights into the evolution of communalism. The socio political dynamics section delves into the contemporary manifestations, exploring the roles of identity politics, socio economic disparities, and globalization. The economic implications section highlights how communal politics intersects with economic issues, perpetuating disparities and influencing resource allocation. Challenges posed by communal politics are scrutinized, revealing multifaceted issues ranging from social fragmentation to threats against democratic values. The prospects for mitigation present a multifaceted approach, incorporating policy interventions, community engagement, and educational initiatives. The paper conducts a comparative analysis with international examples, identifying common patterns such as identity politics and economic disparities. It also examines unique challenges, emphasizing Indias diverse religious landscape, historical legacy, and secular framework. Lessons for effective strategies are drawn from international experiences, offering insights into inclusive policies, interfaith dialogue, media regulation, and global cooperation. By scrutinizing historical epochs, contemporary dynamics, economic implications, and international comparisons, this research provides a comprehensive understanding of communal politics in India. The proposed strategies for mitigation underscore the importance of a holistic approach to foster social harmony, inclusivity, and democratic values. Rose Hossain "Dynamics of Communal Politics in 21st Century India: Challenges and Prospects" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64528.pdf Paper Url: https://www.ijtsrd.com/humanities-and-the-arts/history/64528/dynamics-of-communal-politics-in-21st-century-india-challenges-and-prospects/rose-hossain
Assess Perspective and Knowledge of Healthcare Providers Towards Elehealth in...ijtsrd
Background and Objective Telehealth has become a well known tool for the delivery of health care in Saudi Arabia, and the perspective and knowledge of healthcare providers are influential in the implementation, adoption and advancement of the method. This systematic review was conducted to examine the current literature base regarding telehealth and the related healthcare professional perspective and knowledge in the Kingdom of Saudi Arabia. Materials and Methods This systematic review was conducted by searching 7 databases including, MEDLINE, CINHAL, Web of Science, Scopus, PubMed, PsycINFO, and ProQuest Central. Studies on healthcare practitioners telehealth knowledge and perspectives published in English in Saudi Arabia from 2000 to 2023 were included. Boland directed this comprehensive review. The researchers examined each connected study using the AXIS tool, which evaluates cross sectional systematic reviews. Narrative synthesis was used to summarise and convey the data. Results Out of 1840 search results, 10 studies were included. Positive outlook and limited knowledge among providers were seen across trials. Healthcare professionals like telehealth for its ability to improve quality, access, and delivery, save time and money, and be successful. Age, gender, occupation, and work experience also affect health workers knowledge. In Saudi Arabia, healthcare professionals face inadequate expert assistance, patient privacy, internet connection concerns, lack of training courses, lack of telehealth understanding, and high costs while performing telemedicine. Conclusions Healthcare practitioners telehealth perceptions and knowledge were examined in this systematic study. Its collection of concerned experts different personal attitudes and expertise would help enhance telehealths implementation in Saudi Arabia, develop its healthcare delivery alternative, and eliminate frequent problems. Badriah Mousa I Mulayhi | Dr. Jomin George | Judy Jenkins "Assess Perspective and Knowledge of Healthcare Providers Towards Elehealth in Saudi Arabia: A Systematic Review" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64535.pdf Paper Url: https://www.ijtsrd.com/medicine/other/64535/assess-perspective-and-knowledge-of-healthcare-providers-towards-elehealth-in-saudi-arabia-a-systematic-review/badriah-mousa-i-mulayhi
The Impact of Digital Media on the Decentralization of Power and the Erosion ...ijtsrd
The impact of digital media on the distribution of power and the weakening of traditional gatekeepers has gained considerable attention in recent years. The adoption of digital technologies and the internet has resulted in declining influence and power for traditional gatekeepers such as publishing houses and news organizations. Simultaneously, digital media has facilitated the emergence of new voices and players in the media industry. Digital medias impact on power decentralization and gatekeeper erosion is visible in several ways. One significant aspect is the democratization of information, which enables anyone with an internet connection to publish and share content globally, leading to citizen journalism and bypassing traditional gatekeepers. Another aspect is the disruption of conventional media industry business models, as traditional organizations struggle to adjust to the decrease in advertising revenue and the rise of digital platforms. Alternative business models, such as subscription models and crowdfunding, have become more prevalent, leading to the emergence of new players. Overall, the impact of digital media on the distribution of power and the weakening of traditional gatekeepers has brought about significant changes in the media landscape and the way information is shared. Further research is required to fully comprehend the implications of these changes and their impact on society. Dr. Kusum Lata "The Impact of Digital Media on the Decentralization of Power and the Erosion of Traditional Gatekeepers" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64544.pdf Paper Url: https://www.ijtsrd.com/humanities-and-the-arts/political-science/64544/the-impact-of-digital-media-on-the-decentralization-of-power-and-the-erosion-of-traditional-gatekeepers/dr-kusum-lata
Online Voices, Offline Impact Ambedkars Ideals and Socio Political Inclusion ...ijtsrd
This research investigates the nexus between online discussions on Dr. B.R. Ambedkars ideals and their impact on social inclusion among college students in Gurugram, Haryana. Surveying 240 students from 12 government colleges, findings indicate that 65 actively engage in online discussions, with 80 demonstrating moderate to high awareness of Ambedkars ideals. Statistically significant correlations reveal that higher online engagement correlates with increased awareness p 0.05 and perceived social inclusion. Variations across colleges and a notable effect of college type on perceived social inclusion highlight the influence of contextual factors. Furthermore, the intersectional analysis underscores nuanced differences based on gender, caste, and socio economic status. Dr. Kusum Lata "Online Voices, Offline Impact: Ambedkar's Ideals and Socio-Political Inclusion - A Study of Gurugram District" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64543.pdf Paper Url: https://www.ijtsrd.com/humanities-and-the-arts/political-science/64543/online-voices-offline-impact-ambedkars-ideals-and-sociopolitical-inclusion--a-study-of-gurugram-district/dr-kusum-lata
Problems and Challenges of Agro Entreprenurship A Studyijtsrd
Noting calls for contextualizing Agro entrepreneurs problems and challenges of the agro entrepreneurs and for greater attention to the Role of entrepreneurs in agro entrepreneurship research, we conduct a systematic literature review of extent research in agriculture entrepreneurship to overcome the study objectives of complications of agro entrepreneurs through various factors, Development of agriculture products is a key factor for the overall economic growth of agro entrepreneurs Agro Entrepreneurs produces firsthand large scale employment, utilizes the labor and natural resources, This research outlines the problems of Weather and Soil Erosions, Market price fluctuation, stimulates labor cost problems, reduces concentration of Price volatility, Dependency on Intermediaries, induces Limited Bargaining Power, and Storage and Transportation Costs. This paper mainly devoted to highlight Problems and challenges faced for the sustainable of Agro Entrepreneurs in India. Vinay Prasad B "Problems and Challenges of Agro Entreprenurship - A Study" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64540.pdf Paper Url: https://www.ijtsrd.com/other-scientific-research-area/other/64540/problems-and-challenges-of-agro-entreprenurship--a-study/vinay-prasad-b
Comparative Analysis of Total Corporate Disclosure of Selected IT Companies o...ijtsrd
Disclosure is a process through which a business enterprise communicates with external parties. A corporate disclosure is communication of financial and non financial information of the activities of a business enterprise to the interested entities. Corporate disclosure is done through publishing annual reports. So corporate disclosure through annual reports plays a vital role in the life of all the companies and provides valuable information to investors. The basic objectives of corporate disclosure is to give a true and fair view of companies to the parties related either directly or indirectly like owner, government, creditors, shareholders etc. in the companies act, provisions have been made about mandatory and voluntary disclosure. The IT sector in India is rapidly growing, the trend to invest in the IT sector is rising and employment opportunities in IT sectors are also increasing. Therefore the IT sector is expected to have fair, full and adequate disclosure of all information. Unfair and incomplete disclosure may adversely affect the entire economy. A research study on disclosure practices of IT companies could play an important role in this regard. Hence, the present research study has been done to study and review comparative analysis of total corporate disclosure of selected IT companies of India and to put forward overall findings and suggestions with a view to increase disclosure score of these companies. The researcher hopes that the present research study will be helpful to all selected Companies for improving level of corporate disclosure through annual reports as well as the government, creditors, investors, all business organizations and upcoming researcher for comparative analyses of level of corporate disclosure with special reference to selected IT companies. Dr. Vaibhavi D. Thaker "Comparative Analysis of Total Corporate Disclosure of Selected IT Companies of India" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64539.pdf Paper Url: https://www.ijtsrd.com/other-scientific-research-area/other/64539/comparative-analysis-of-total-corporate-disclosure-of-selected-it-companies-of-india/dr-vaibhavi-d-thaker
The Impact of Educational Background and Professional Training on Human Right...ijtsrd
This study investigated the impact of educational background and professional training on human rights awareness among secondary school teachers in the Marathwada region of Maharashtra, India. The key findings reveal that higher levels of education, particularly a master’s degree, and fields of study related to education, humanities, or social sciences are associated with greater human rights awareness among teachers. Additionally, both pre service teacher training and in service professional development programs focused on human rights education significantly enhance teacher’s knowledge, skills, and competencies in promoting human rights principles in their classrooms. Baig Ameer Bee Mirza Abdul Aziz | Dr. Syed Azaz Ali Amjad Ali "The Impact of Educational Background and Professional Training on Human Rights Awareness among Secondary School Teachers" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64529.pdf Paper Url: https://www.ijtsrd.com/humanities-and-the-arts/education/64529/the-impact-of-educational-background-and-professional-training-on-human-rights-awareness-among-secondary-school-teachers/baig-ameer-bee-mirza-abdul-aziz
A Study on the Effective Teaching Learning Process in English Curriculum at t...ijtsrd
“One Language sets you in a corridor for life. Two languages open every door along the way” Frank Smith English as a foreign language or as a second language has been ruling in India since the period of Lord Macaulay. But the question is how much we teach or learn English properly in our culture. Is there any scope to use English as a language rather than a subject How much we learn or teach English without any interference of mother language specially in the classroom teaching learning scenario in West Bengal By considering all these issues the researcher has attempted in this article to focus on the effective teaching learning process comparing to other traditional strategies in the field of English curriculum at the secondary level to investigate whether they fulfill the present teaching learning requirements or not by examining the validity of the present curriculum of English. The purpose of this study is to focus on the effectiveness of the systematic, scientific, sequential and logical transaction of the course between the teachers and the learners in the perspective of the 5Es programme that is engage, explore, explain, extend and evaluate. Sanchali Mondal | Santinath Sarkar "A Study on the Effective Teaching Learning Process in English Curriculum at the Secondary Level of West Bengal" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd62412.pdf Paper Url: https://www.ijtsrd.com/humanities-and-the-arts/education/62412/a-study-on-the-effective-teaching-learning-process-in-english-curriculum-at-the-secondary-level-of-west-bengal/sanchali-mondal
The Role of Mentoring and Its Influence on the Effectiveness of the Teaching ...ijtsrd
This paper reports on a study which was conducted to investigate the role of mentoring and its influence on the effectiveness of the teaching of Physics in secondary schools in the South West Region of Cameroon. The study adopted the convergent parallel mixed methods design, focusing on respondents in secondary schools in the South West Region of Cameroon. Both quantitative and qualitative data were collected, analysed separately, and the results were compared to see if the findings confirm or disconfirm each other. The quantitative analysis found that majority of the respondents 72 of Physics teachers affirmed that they had more experienced colleagues as mentors to help build their confidence, improve their teaching, and help them improve their effectiveness and efficiency in guiding learners’ achievements. Only 28 of the respondents disagreed with these statements. With majority respondents 72 agreeing with the statements, it implies that in most secondary schools, experienced Physics teachers act as mentors to build teachers’ confidence in teaching and improving students’ learning. The interview qualitative data analysis summarized how secondary school Principals use meetings with mentors and mentees to promote mentorship in the school milieu. This has helped strengthen teachers’ classroom practices in secondary schools in the South West Region of Cameroon. With the results confirming each other, the study recommends that mentoring should focus on helping teachers employ social interactions and instructional practices feedback and clarity in teaching that have direct measurable impact on students’ learning achievements. Andrew Ngeim Sumba | Frederick Ebot Ashu | Peter Agborbechem Tambi "The Role of Mentoring and Its Influence on the Effectiveness of the Teaching of Physics in Secondary Schools in the South West Region of Cameroon" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64524.pdf Paper Url: https://www.ijtsrd.com/management/management-development/64524/the-role-of-mentoring-and-its-influence-on-the-effectiveness-of-the-teaching-of-physics-in-secondary-schools-in-the-south-west-region-of-cameroon/andrew-ngeim-sumba
Design Simulation and Hardware Construction of an Arduino Microcontroller Bas...ijtsrd
This study primarily focuses on the design of a high side buck converter using an Arduino microcontroller. The converter is specifically intended for use in DC DC applications, particularly in standalone solar PV systems where the PV output voltage exceeds the load or battery voltage. To evaluate the performance of the converter, simulation experiments are conducted using Proteus Software. These simulations provide insights into the input and output voltages, currents, powers, and efficiency under different state of charge SoC conditions of a 12V,70Ah rechargeable lead acid battery. Additionally, the hardware design of the converter is implemented, and practical data is collected through operation, monitoring, and recording. By comparing the simulation results with the practical results, the efficiency and performance of the designed converter are assessed. The findings indicate that while the buck converter is suitable for practical use in standalone PV systems, its efficiency is compromised due to a lower output current. Chan Myae Aung | Dr. Ei Mon "Design Simulation and Hardware Construction of an Arduino-Microcontroller Based DC-DC High-Side Buck Converter for Standalone PV System" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64518.pdf Paper Url: https://www.ijtsrd.com/engineering/mechanical-engineering/64518/design-simulation-and-hardware-construction-of-an-arduinomicrocontroller-based-dcdc-highside-buck-converter-for-standalone-pv-system/chan-myae-aung
Sustainable Energy by Paul A. Adekunte | Matthew N. O. Sadiku | Janet O. Sadikuijtsrd
Energy becomes sustainable if it meets the needs of the present without compromising the ability of future generations to meet their own needs. Some of the definitions of sustainable energy include the considerations of environmental aspects such as greenhouse gas emissions, social, and economic aspects such as energy poverty. Generally far more sustainable than fossil fuel are renewable energy sources such as wind, hydroelectric power, solar, and geothermal energy sources. Worthy of note is that some renewable energy projects, like the clearing of forests to produce biofuels, can cause severe environmental damage. The sustainability of nuclear power which is a low carbon source is highly debated because of concerns about radioactive waste, nuclear proliferation, and accidents. The switching from coal to natural gas has environmental benefits, including a lower climate impact, but could lead to delay in switching to more sustainable options. “Carbon capture and storage” can be built into power plants to remove the carbon dioxide CO2 emissions, but this technology is expensive and has rarely been implemented. Leading non renewable energy sources around the world is fossil fuels, coal, petroleum, and natural gas. Nuclear energy is usually considered another non renewable energy source, although nuclear energy itself is a renewable energy source, but the material used in nuclear power plants is not. The paper addresses the issue of sustainable energy, its attendant benefits to the future generation, and humanity in general. Paul A. Adekunte | Matthew N. O. Sadiku | Janet O. Sadiku "Sustainable Energy" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64534.pdf Paper Url: https://www.ijtsrd.com/engineering/electrical-engineering/64534/sustainable-energy/paul-a-adekunte
Concepts for Sudan Survey Act Implementations Executive Regulations and Stand...ijtsrd
This paper aims to outline the executive regulations, survey standards, and specifications required for the implementation of the Sudan Survey Act, and for regulating and organizing all surveying work activities in Sudan. The act has been discussed for more than 5 years. The Land Survey Act was initiated by the Sudan Survey Authority and all official legislations were headed by the Sudan Ministry of Justice till it was issued in 2022. The paper presents conceptual guidelines to be used for the Survey Act implementation and to regulate the survey work practice, standardizing the field surveys, processing, quality control, procedures, and the processes related to survey work carried out by the stakeholders and relevant authorities in Sudan. The conceptual guidelines are meant to improve the quality and harmonization of geospatial data and to aid decision making processes as well as geospatial information systems. The established comprehensive executive regulations will govern and regulate the implementation of the Sudan Survey Geomatics Act in all surveying and mapping practices undertaken by the Sudan Survey Authority SSA and state local survey departments for public or private sector organizations. The targeted standards and specifications include the reference frame, projection, coordinate systems, and the guidelines and specifications that must be followed in the field of survey work, processes, and mapping products. In the last few decades, there has been a growing awareness of the importance of geomatics activities and measurements on the Earths surface in space and time, together with observing and mapping the changes. In such cases, data must be captured promptly, standardized, and obtained with more accuracy and specified in much detail. The paper will also highlight the current situation in Sudan, the degree to which survey standards are used, the problems encountered, and the errors that arise from not using the standards and survey specifications. Kamal A. A. Sami "Concepts for Sudan Survey Act Implementations - Executive Regulations and Standards" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd63484.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/63484/concepts-for-sudan-survey-act-implementations--executive-regulations-and-standards/kamal-a-a-sami
Towards the Implementation of the Sudan Interpolated Geoid Model Khartoum Sta...ijtsrd
The discussions between ellipsoid and geoid have invoked many researchers during the recent decades, especially during the GNSS technology era, which had witnessed a great deal of development but still geoid undulation requires more investigations. To figure out a solution for Sudans local geoid, this research has tried to intake the possibility of determining the geoid model by following two approaches, gravimetric and geometrical geoid model determination, by making use of GNSS leveling benchmarks at Khartoum state. The Benchmarks are well distributed in the study area, in which, the horizontal coordinates and the height above the ellipsoid have been observed by GNSS while orthometric heights were carried out using precise leveling. The Global Geopotential Model GGM represented in EGM2008 has been exploited to figure out the geoid undulation at the benchmarks in the study area. This is followed by a fitting process, that has been done to suit the geoid undulation data which has been computed using GNSS leveling data and geoid undulation inspired by the EGM2008. Two geoid surfaces were created after the fitting process to ensure that they are identical and both of them could be counted for getting the same geoid undulation with an acceptable accuracy. In this respect, statistical operation played an important role in ensuring the consistency and integrity of the model by applying cross validation techniques splitting the data into training and testing datasets for building the geoid model and testing its eligibility. The geometrical solution for geoid undulation computation has been utilized by applying straightforward equations that facilitate the calculation of the geoid undulation directly through applying statistical techniques for the GNSS leveling data of the study area to get the common equation parameters values that could be utilized to calculate geoid undulation of any position in the study area within the claimed accuracy. Both systems were checked and proved eligible to be used within the study area with acceptable accuracy which may contribute to solving the geoid undulation problem in the Khartoum area, and be further generalized to determine the geoid model over the entire country, and this could be considered in the future, for regional and continental geoid model. Ahmed M. A. Mohammed. | Kamal A. A. Sami "Towards the Implementation of the Sudan Interpolated Geoid Model (Khartoum State Case Study)" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd63483.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/63483/towards-the-implementation-of-the-sudan-interpolated-geoid-model-khartoum-state-case-study/ahmed-m-a-mohammed
Activating Geospatial Information for Sudans Sustainable Investment Mapijtsrd
Sudan is witnessing an acceleration in the processes of development and transformation in the performance of government institutions to raise the productivity and investment efficiency of the government sector. The development plans and investment opportunities have focused on achieving national goals in various sectors. This paper aims to illuminate the path to the future and provide geospatial data and information to develop the investment climate and environment for all sized businesses, and to bridge the development gap between the Sudan states. The Sudan Survey Authority SSA is the main advisor to the Sudan Government in conducting surveying, mappings, designing, and developing systems related to geospatial data and information. In recent years, SSA made a strategic partnership with the Ministry of Investment to activate Geospatial Information for Sudans Sustainable Investment and in particular, for the preparation and implementation of the Sudan investment map, based on the directives and objectives of the Ministry of Investment MI in Sudan. This paper comes within the framework of activating the efforts of the Ministry of Investment to develop technical investment services by applying techniques adopted by the Ministry and its strategic partners for advancing investment processes in the country. Kamal A. A. Sami "Activating Geospatial Information for Sudan's Sustainable Investment Map" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd63482.pdf Paper Url: https://www.ijtsrd.com/engineering/information-technology/63482/activating-geospatial-information-for-sudans-sustainable-investment-map/kamal-a-a-sami
Educational Unity Embracing Diversity for a Stronger Societyijtsrd
In a rapidly changing global landscape, the importance of education as a unifying force cannot be overstated. This paper explores the crucial role of educational unity in fostering a stronger and more inclusive society through the embrace of diversity. By examining the benefits of diverse learning environments, the paper aims to highlight the positive impact on societal strength. The discussion encompasses various dimensions, from curriculum design to classroom dynamics, and emphasizes the need for educational institutions to become catalysts for unity in diversity. It highlights the need for a paradigm shift in educational policies, curricula, and pedagogical approaches to ensure that they are reflective of the diverse fabric of society. This paper also addresses the challenges associated with implementing inclusive educational practices and offers practical strategies for overcoming barriers. It advocates for collaborative efforts between educational institutions, policymakers, and communities to create a supportive ecosystem that promotes diversity and unity. Mr. Amit Adhikari | Madhumita Teli | Gopal Adhikari "Educational Unity: Embracing Diversity for a Stronger Society" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64525.pdf Paper Url: https://www.ijtsrd.com/humanities-and-the-arts/education/64525/educational-unity-embracing-diversity-for-a-stronger-society/mr-amit-adhikari
Integration of Indian Indigenous Knowledge System in Management Prospects and...ijtsrd
The diversity of indigenous knowledge systems in India is vast and can vary significantly between different communities and regions. Preserving and respecting these knowledge systems is crucial for maintaining cultural heritage, promoting sustainable practices, and fostering cross cultural understanding. In this paper, an overview of the prospects and challenges associated with incorporating Indian indigenous knowledge into management is explored. It is found that IIKS helps in management in many areas like sustainable development, tourism, food security, natural resource management, cultural preservation and innovation, etc. However, IIKS integration with management faces some challenges in the form of a lack of documentation, cultural sensitivity, language barriers legal framework, etc. Savita Lathwal "Integration of Indian Indigenous Knowledge System in Management: Prospects and Challenges" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd63500.pdf Paper Url: https://www.ijtsrd.com/management/accounting-and-finance/63500/integration-of-indian-indigenous-knowledge-system-in-management-prospects-and-challenges/savita-lathwal
DeepMask Transforming Face Mask Identification for Better Pandemic Control in...ijtsrd
The COVID 19 pandemic has highlighted the crucial need of preventive measures, with widespread use of face masks being a key method for slowing the viruss spread. This research investigates face mask identification using deep learning as a technological solution to be reducing the risk of coronavirus transmission. The proposed method uses state of the art convolutional neural networks CNNs and transfer learning to automatically recognize persons who are not wearing masks in a variety of circumstances. We discuss how this strategy improves public health and safety by providing an efficient manner of enforcing mask wearing standards. The report also discusses the obstacles, ethical concerns, and prospective applications of face mask detection systems in the ongoing fight against the pandemic. Dilip Kumar Sharma | Aaditya Yadav "DeepMask: Transforming Face Mask Identification for Better Pandemic Control in the COVID-19 Era" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd64522.pdf Paper Url: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/64522/deepmask-transforming-face-mask-identification-for-better-pandemic-control-in-the-covid19-era/dilip-kumar-sharma
Streamlining Data Collection eCRF Design and Machine Learningijtsrd
Efficient and accurate data collection is paramount in clinical trials, and the design of Electronic Case Report Forms eCRFs plays a pivotal role in streamlining this process. This paper explores the integration of machine learning techniques in the design and implementation of eCRFs to enhance data collection efficiency. We delve into the synergies between eCRF design principles and machine learning algorithms, aiming to optimize data quality, reduce errors, and expedite the overall data collection process. The application of machine learning in eCRF design brings forth innovative approaches to data validation, anomaly detection, and real time adaptability. This paper discusses the benefits, challenges, and future prospects of leveraging machine learning in eCRF design for streamlined and advanced data collection in clinical trials. Dhanalakshmi D | Vijaya Lakshmi Kannareddy "Streamlining Data Collection: eCRF Design and Machine Learning" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-8 | Issue-1 , February 2024, URL: https://www.ijtsrd.com/papers/ijtsrd63515.pdf Paper Url: https://www.ijtsrd.com/biological-science/biotechnology/63515/streamlining-data-collection-ecrf-design-and-machine-learning/dhanalakshmi-d
This presentation was provided by Steph Pollock of The American Psychological Association’s Journals Program, and Damita Snow, of The American Society of Civil Engineers (ASCE), for the initial session of NISO's 2024 Training Series "DEIA in the Scholarly Landscape." Session One: 'Setting Expectations: a DEIA Primer,' was held June 6, 2024.
A review of the growth of the Israel Genealogy Research Association Database Collection for the last 12 months. Our collection is now passed the 3 million mark and still growing. See which archives have contributed the most. See the different types of records we have, and which years have had records added. You can also see what we have for the future.
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
This presentation includes basic of PCOS their pathology and treatment and also Ayurveda correlation of PCOS and Ayurvedic line of treatment mentioned in classics.
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
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Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...Dr. Vinod Kumar Kanvaria
Exploiting Artificial Intelligence for Empowering Researchers and Faculty,
International FDP on Fundamentals of Research in Social Sciences
at Integral University, Lucknow, 06.06.2024
By Dr. Vinod Kumar Kanvaria
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.
Physiology and chemistry of skin and pigmentation, hairs, scalp, lips and nail, Cleansing cream, Lotions, Face powders, Face packs, Lipsticks, Bath products, soaps and baby product,
Preparation and standardization of the following : Tonic, Bleaches, Dentifrices and Mouth washes & Tooth Pastes, Cosmetics for Nails.
2. International Journal of Trend in Scientific Research and Development (IJTSRD) @ www.ijtsrd.com eISSN: 2456-6470
@ IJTSRD | Unique Paper ID – IJTSRD35702 | Volume – 4 | Issue – 6 | September-October 2020 Page 1462
building and is once again applied with a lateral load until
additional members yield. A base shear vs. displacement
capacity curve and a plastic hinging model is producedasthe
end product of the analysis which gives a general idea of the
behaviour of the building.
Fig 1: Static approximation used in pushover analysis
The figure shows a simple conversion of base shear versus
roof displacement relationshipusingthedynamicproperties
of the system, and the result is termed as capacity spectrum
for the structure. First figureshowsa structural model which
experiences lateral loads and second shows how roof
displacement takes places. Base shear will be acting against
the lateral loads to decrease the roof displacement. Last
shows the graph of base shear versus roof displacementand
the structural response of the model.
B. Damping system
Damper systems are designed and manufactured to protect
structural integrities, control structural damages, and to
prevent injuries tothe residentsbyabsorbingseismicenergy
and reducing deformations in the structure.
Seismic dampers permit the structure to resist severe input
energy and reduce harmful deflections, forces and
accelerations to structures and occupants. There areseveral
types of seismic dampers namely viscous damper, friction
damper, yielding damper, magneticdamper,andtunedmass
damper.
Damper used in this study is of viscous damper of damping
coefficient 0.5.
The values of damping coefficient varies from the 0.2 to 2.0
depending on the specific application. In somecasesitvaries
with a range of 0.3 to 1.0.
C. Objectives
The following objectives are considered in the present
studies
To analyse the RC framed building subjected to static
analysis.
To understand the seismic behaviour of structure
subjected to static nonlinear analysis.
To understand the performance point and hinges
formations in the structure.
To understand the behaviour of structure with damper.
To study the performance of structure for different
seismic zones.
2. METHODOLOGY
Literature review is carried out for related journals.
The modelling is carried out using ETABS software.
Modelling is carried out for various seismic zone with
and without damper.
Analysis is carried out for static linear and static
nonlinear analysis.
Results such as displacement, time period, drift, base
shear, performance points are extracted and tabulated.
Conclusions are drawn based on the results
A. Methods of analysis
There are many methods available fortheseismicanalysisof
a selected building to find out the forces developed in
structure due to seismic activity. Mainly analysis is done on
the basis of model of structureselected,materialsusedinthe
structure and also on the external inputs.
I. Equivalent staticanalysisisalsocalledasequivalent
lateral force method. Seismic analysis on a building is done
on a assumption of the horizontal force is similar to the
dynamic loading, In this method periods and shapeofhigher
mode of vibration are not required so the effort for the
analysis is less, except for the fundamental period. The base
shear is calculated depends on the mass of structure, its
fundamental periods of vibration and shapes. Firstly the
base shear is calculated for a entire structure then along the
height of building distribution is done. At each floorlevel the
lateral force obtained are distributed to each structural
elements. This method is usually adopted for a low to
medium height building.
II. Pushover Analysis After assigning all properties of
the model, the displacement-controlledpushoveranalysisof
the building model is carried out. The models are pushed in
monotonic increasing order in a particular direction till the
collapse of the structure. For this purpose, value of
maximum displacement at roof level and number of steps in
which this displacement must be applied, are defined. The
global response of structure at each displacement level is
obtained in terms of the base shear, which is presented by
pushover curve. Pushover curve is a base shear force versus
roof displacement curve, which tells about the shear force
developed at the base of the structure at any push level. The
peak of this curve represents the maximum base shear, i.e.
maximum load carrying capacity of the structure; the initial
stiffness of the structure is obtained from the tangent at
pushover curve at the load level of 10% that of the ultimate
load and the maximum roof displacement of structures is
taken that deflection beyond which collapse of structure
takes place.
The static linear analysis is carried out and later nonlinear
pushover analysis is done. The results are extracted and
tabulated. Seismic evaluation of all the models is carried out
by nonlinear static pushover analysis, for all the gravity
designed and seismic designed building models along both
longitudinal and transverse direction.
B. Capacity Curve
The overall capacity of a structure depends on the strength
and deformation capacities of the individual components of
the structure. In order to determine capacities beyond the
elastic limits, some form of nonlinear analysis is required.
This procedure uses sequential elastic analysis,
superimposed to approximate force-displacement diagram
of the overall structure. The mathematical model of the
structure is modified to account for reduced resistance of
yielding components. A lateral force distribution is again
applied until additional components yield.
3. International Journal of Trend in Scientific Research and Development (IJTSRD) @ www.ijtsrd.com eISSN: 2456-6470
@ IJTSRD | Unique Paper ID – IJTSRD35702 | Volume – 4 | Issue – 6 | September-October 2020 Page 1463
Fig 2: Typ. Capacity curve
C. Demand Curve
Ground motion during an earthquake produces complex
horizontal displacement patterns which mayvarywithtime.
Tracking this motion at every time step to determine
structural design requirements is judge impractical. For a
given structure and a ground motion, the displacement
demands are estimate of the maximum expectedresponseof
the building during the ground motion. Demand curve is a
representation of the earthquake ground motion. It is given
by spectral acceleration (Sa) Vs. Time period (T) as shown.
Fig 3: Typ. Demand curve
D. Performance Point
Performance point can be obtained by superimposing
capacity spectrum and demand spectrum and the
intersection point of these two curves is performance point.
Check performance level of the structure and plastic hinge
formation at performance point. A performance check
verifies that structural and non-structural components are
not damagedbeyondtheacceptablelimitsoftheperformance
objective for the force and displacement implied by the
displacement demand.
Fig 4: Performance Point
3. MODELLING AND ANALYSIS
In the modeling G+12 storey building is considered for the
analysis and modeling is done in ETABs software.
Model A1: Multi Storey RC Structure in Seismic Zone 2.
Model A2: Multi Storey RC Structure in Seismic Zone 3.
Model A3: Multi Storey RC Structure in Seismic Zone 4.
Model A4: Multi Storey RC Structure in Seismic Zone 5.
Model B1: Multi Storey RC Structure with damper in
Seismic Zone 2.
Model B2: Multi Storey RC Structure with damper in
Seismic Zone 3.
Model B3: Multi Storey RC Structure with damper in
Seismic Zone 4.
Model B4: Multi Storey RC Structure with damper in
Seismic Zone 5.
Table 1 - Material Properties and Design Parameters
Sl.
No.
Description Data
1. Seismic Zone II, III, IV, V
2. Seismic Zone Factor (Z) 0.1, 0.16, 0.24, 0.36
3. Importance Factor (I) 1.5
4.
Response Reduction
Factor (R)
3
5. Damping Ratio 0.05
6. Soil Type Hard Soil (Type I)
7. Height of the building 36m (12 Storey)
8. Story to story Height 3.0 m
9. Span Length 4m
10. Column Size used C400x400
11. Thickness of Slab 125mm
12. Floor Finish 1.5KN/m2
13. Live Load 4.0KN/m2
14. Grade of Concrete (fck) M40
15.
Grade of Reinforcing
Steel (fyr)
Fe 500
Fig 5: Normal building plan
4. International Journal of Trend in Scientific Research and Development (IJTSRD) @ www.ijtsrd.com eISSN: 2456-6470
@ IJTSRD | Unique Paper ID – IJTSRD35702 | Volume – 4 | Issue – 6 | September-October 2020 Page 1464
Fig 6: Isometric view
Fig 7: Diaphragm view
Fig 8: Elevation view with dampers
Fig 9: Viscous dampers at exterior corner Isometric
view
4. RESULTS AND DISCUSSION
Modelling of building is done withtheall thedefinedloadsas
per the codal provisions. Then the analysisofthestructureis
done with both Equivalent static method and Pushover
analysis method. After the analysis variousstoreyresponses
are compared and comment should be made on those
results. Storey responses includes storey displacement
storey drifts, base shear, time period, frequencies are
considered and compared. Then pushover curve is also
obtained in result and the performance check is done for all
the models.
I. From Equivalent Static Analysis
A. Storey displacement
Storey displacement is an main storey response that get
reduced after adding dampers to the structures. For a G+12
storey building with and without viscous dampers the
displacement value obtained for both equivalent static
method for different seismic zones are shown below
Graph 1: Storey displacement in x direction for Static
method
From the graph, it is obvious that model present in zone V
i.e., model type A4 is exhibiting highest displacement and
model type A1 is having lesser displacement compared to
other models without dampers. However, the
displacements are reducing by introducing damper in the
model. There is a considerable reduction of around 58%.
STOREY
STOREY
5. International Journal of Trend in Scientific Research and Development (IJTSRD) @ www.ijtsrd.com eISSN: 2456-6470
@ IJTSRD | Unique Paper ID – IJTSRD35702 | Volume – 4 | Issue – 6 | September-October 2020 Page 1465
This is a significant reduction and the models with
dampers can be adopted in seismic zone V
B. Storey drifts
The inter storey drifts values for the considered building in
all seismic zones is shown in the graph below. As per IS
1893:2016 for a storey with minimumassignedlateral force,
having partial load factor 1.0 the storey drift value does not
exceed 0.004 times the height of a storey.
Graph 2: Storey drift in x direction for Static method
From the above observation the drift values are very
nominal and are in line with displacement results. However,
model A4 is exhibiting highestdriftvaluescomparativelybut
within the limit.
C. Base shear
Base shear is an estimate of the maximum expected lateral
force on the base of the structure due to seismic activity.Itis
calculated using the seismic zone, soil material, and building
code lateral force equations
Graph 3: Base shear in x direction for Static method
From the above observation we have seen that the base
shear values are independent of dampers. Hence the values
are same in case of models in same zone. However, the
model A4 and B4 is having maximum base shear. The base
shear increases with severity of zone.
D. Modal periods and frequencies
During earthquake or wind,all modesareexcitedindifferent
manner. Depends on the spatial distribution and frequency
content of the load the length of dynamic loading excites the
modes of vibration. In this study12modesareconsidere and
their time period and frequencies.
MODAL PERIOD
Graph 4: Modal periods
MODAL FREQUENCY
Graph 5: Modal frequency
The time period for a without damping building is more as
compared to the damping building. The time period is
inversely proportional to the frequency of the structure. so
the natural frequency of the damped building is more
compared to the building without damper. As the frequency
of the structure increases the stiffeness of structure is also
increses because stiffeness is directly proportional to the
frequency. for a higher elevation building the frequency is
more because of more mass.
II. From Pushover Analysis
E. Base Shear
Graph 6: Base Shear in pushover analysis in x
direction
The base shear value of model Type B4 is more compared to
all other models. This is the performance level of the model
as the model B4 can bear the maximum base shear values
before failure. This indicates the model B4 can withstands
for maximum load carrying capacity
FREQUENCY
STOREY
6. International Journal of Trend in Scientific Research and Development (IJTSRD) @ www.ijtsrd.com eISSN: 2456-6470
@ IJTSRD | Unique Paper ID – IJTSRD35702 | Volume – 4 | Issue – 6 | September-October 2020 Page 1466
F. Displacement
Graph 7: Displacement in pushover analysis in x
direction
The model type B1 will undergo lowest level of
displacement. The displacement level of models can be
reduced for models with dampers. It is observed that the
models with dampers having lesser displacement and is
around 25%
G. Pushover Analysis curve
Performance point can be obtained by superimposing
capacity spectrum and demand spectrum and the
intersection point of these two curves is performance point.
The below figures show super imposing demand spectrum
and capacity spectrum. A performance check verifies that
structural and non- structural components are notdamaged
beyond the acceptable limits of the performance objective
for the force and displacement implied by the displacement
demand.
Graph 8: Pushover curve of Model A1
Graph 9: Pushover curve of Model A2
Graph 10: Pushover curve of Model A3
Graph 11: Pushover curve of Model A4
Graph 12: Pushover curve of Model B1
7. International Journal of Trend in Scientific Research and Development (IJTSRD) @ www.ijtsrd.com eISSN: 2456-6470
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Graph 13: Pushover curve of Model B2
Graph 14: Pushover curve of Model B3
Graph 15: Pushover curve of Model B4
Table 2 – Typ. Pushover curve table
The above table indicates the displacement values and
base shear values for different step values. The
performance point lies between step 5 and 6. Hence, the
building lies in LS-CP condition. The table also indicates
the failure formation hinges (weak points).
5. CONCLUSIONS
There is a linear increase in the displacement values for
different zones. The displacement values increase with
increase in severity of zone.
There is a significant reduction in the displacement
values when the structure is provided with damper
system. It is observed that,themodelswithdamperscan
reduce up to 58% in displacement values.
The drift values are within the limit. i.e., h/250 =
4000/250 = 16. However, all the models are having
lesser drift values than limiting. It is also observed that,
the model located in zone V is havinghighestdriftvalues
and also drift values are increasing at the bottom
storeys compared to upper level.
From the base shear values, it is observed that the
increase in base shear value is due to increase in
severity of seismic zone. The structure locatedinZoneV
suffers more base shear than structure located in zone
II. However, the increase in percentage is around 1.6
times, 2.4 times and 3.6 times of Zone II values
compared with zone III, Zone IV and Zone V
respectively.
Even though the models are provided withdampers,the
base shear values are models with and without base
shear for a particular zone remains same. Hence, it is
concluded that base shear value is independent of
dampers and is dependent only on building dynamics.
From the modal analysis, it is observed that, the time
period is independent of Seismic zones.
However, the introduction of dampers will make the
structure brittle and reduces its flexibility.
The Models with Dampers Type B1-B4 is having same
time period value. There is a reductionoftimeperiodfor
Models type B1-B4 by 40% compared with models type
A1-A4.
The frequency of the structure is more in case of Model
type B1-B4 compared with models A1 to A4. The
frequency is same for models A1, A2, A3 and A4.
Similarly, it is also same for Models B1, B2, B3 and B4.
The Pushover analysis shows the models with dampers
are having base shear than the models without damper.
The increase in percentage of base shear isaround45%.
The introduction of damper causes the improvement in
lateral load carrying capacity by 45%.
8. International Journal of Trend in Scientific Research and Development (IJTSRD) @ www.ijtsrd.com eISSN: 2456-6470
@ IJTSRD | Unique Paper ID – IJTSRD35702 | Volume – 4 | Issue – 6 | September-October 2020 Page 1468
The base shear values are lesser for Zone II and highest
for Zone V. There is a linear increase in base shear
values for increase in severity of zones.
The target displacement of the modelswithoutdampers
are decreased by providing dampers.
The reduction in displacement values is around 25%.
From the pushover analysis, the performance point is
found out for all the models. And also, it found that,
weakest junctions of the models.
From the pushover analysis base shear, it is noticedthat
all the models are having lesser base shear values in
case of equivalent static analysis thanpushoveranalysis
except Model type A4. This shows that, the model Type
A4 is UNSAFE. The models can be made SAFE by
introducing Dampers as in Models Type B4.
REFERENCES
[1] Adrian Fredrick C. Dyaa, Andres Winston C. Oretaa,
The 5th International Conference of Euro Asia Civil
Engineering Forum (EACEF-5) “Seismic vulnerability
assessment of soft story irregular buildings using
pushover analysis”.
[2] Szabolcs Vargaa, Cosmin G. Chiorean, World
Multidisciplinary Civil Engineering- Architecture-
Urban Planning Symposium 2016, WMCAUS 2016
“Seismic Assessment of Reinforced Concrete
Frameworks Through Advanced Pushover Analysis
and Nonlinear Response of A SDOF Oscillator”.
[3] Djamal Yahmia, Taïeb Brancia, Abdelhamid
Bouchaïrb, Eric Fournely, X International Conference
on Structural Dynamics, EURODYN 2017 “Evaluation
of behaviour factors of steel moment-resistingframes
using standard pushover method”.
[4] Ruifu Zhanga, Chao Wanga, Chao Panb,, Hua Shena,
Qingzi Gec, Luqi Zhang, “Simplified design of
elastoplastic structures with metallic yielding
dampers based on the concept of uniform damping
ratio”.
[5] Liyu Xiea, Li Zhanga, Chao Panb, Ruifu Zhanga,, Tianli
Chen, “Uniform damping ratio-based design method
for seismic retrofitting of elastoplastic RC structures
using viscoelastic dampers”.
[6] M Salman A. R. Shaikh, K R Ghadge, S I Khan, “Seismic
Evaluation and Comparative Study of Various
Retrofitting Techniques of RC Building”.
[7] Shruti S. Mane1, Dr. Y. M. Ghugal, “A Review on
Seismic Analysis of Buildings using Passive Energy
Dissipating Devices”.
[8] Ansa Haseeb T A1, Geethika G Pillai, “Seismic
Performance Evaluation of RC Building Connected
With and Without X-Braced Friction Dampers”.
[9] Prof. S. D. Patil1, Dr. H. R. Magarpatil, “Seismic
Performance of Framed Structure with Buckling
Restrained Braces & Dampers- A Review”.