The document discusses performance-based wind analysis and design of structures. It provides a literature review of research on using nonlinear analysis methods and performance-based approaches for wind loading, which consider structural responses in the nonlinear range. These methods allow for controlled inelasticity and aim to more efficiently design structures to meet performance requirements under varying wind loads. The review found that while performance-based seismic design is common, performance-based wind design requires further investigation, particularly for defining wind load patterns for nonlinear analysis.
THE WIND EFFECT ON G+3 BUILDING ROOF MOUNT WITH SINGLE AXIS TRACKER AND GROUN...IRJET Journal
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Analysis of Wind Load Effects on R.C Structure Resting on Flat and Sloping Gr...IRJET Journal
This document analyzes the effects of wind loads on reinforced concrete structures resting on flat and sloping ground using ETABS software. 36 models are created to analyze structures of varying heights (G+5, G+10, G+15) in different wind zones (3, 4, 5) on slopes of 0, 10, 20, and 30 degrees. Results for story displacement, drift, mode period are checked and compared to code requirements and manual calculations. The analysis aims to evaluate wind load distribution, compare effects of flat and sloping ground, study structural behavior, assess stability, optimize design, and validate design codes to improve structural design and resistance to wind loads.
BEHAVIOR OF TALL MASONRY CHIMNEYS UNDER WIND LOADINGS USING CFD TECHNIQUEIRJET Journal
This document discusses using computational fluid dynamics (CFD) to analyze wind-induced responses of tall masonry chimneys. It first reviews previous research using both experimental and numerical methods like CFD to study the effects of building design on aerodynamic forces. The document then describes how CFD and the finite volume method can be applied to model airflow and calculate drag forces on chimneys. Lastly, it notes that CFD simulations require expertise and proper modeling of factors like turbulence, and that various elements of a building's design impact its experience of wind loads.
Analysis of Wind Load on Tall Building of Various Aspect RatiosIRJET Journal
This document analyzes the wind load effects on tall buildings of various aspect ratios through computer modeling and simulation. Four 30-story building models were created with horizontal aspect ratios of 1, 2.25, 4, and 9 to represent buildings with plan dimensions of 60m x 60m, 90m x 40m, 120m x 30m, and 180m x 20m respectively. Wind loads were calculated according to Indian standards and applied to the models. Results show that maximum displacement and story drift increase with higher aspect ratios as the buildings become more susceptible to wind loads. The 180m x 20m building exhibited much greater displacement than the other models. Axial forces in columns and bending moments also rose with larger aspect ratios. The
Effect of configuration on lateral displacement and cost of the structure for...eSAT Journals
Abstract
The choice of a cost effective lateral-force-resisting system for high-rise structures is challenging. There is no streamlined methodology to quantitatively compare the cost-effectiveness of each system beyond the more qualitative perception based evaluation of advantages or disadvantages. Developers currently base their decisions on architectural layout and structural integrity. Cost considerations are often primarily based on experience.
This decision making process has three primary shortfalls.
1) It may not incorporate factors which greatly affect the economy of a particular framing system.
2) It may not allow engineers to carryout designs at the least cost.
3) Comparison of framing systems may not address the specific building types.
This investigation proposes a prototype cost-effective model for selecting either a skeleton framing system or skeleton frame with bracing system for steel structural frames. A model for selecting cost-effective skeleton framing system or skeleton frame with bracing system will be a valuable tool for all decision makers. Engineers, in particular, will be able to select optimal steel framing faster, thus reducing design time and iterations. Furthermore, selection of economic framing system will also result in direct cost savings for steel structural frames.
The study involves the design and cost estimation of steel frames representing skeleton framing system and skeleton frame with bracingsystem. The cost effectiveness of the framing systems are compared based on lateral displacement requirements and cost.The preferred framing system should meet lateral displacement requirements and is lower in cost. The results of this pilot study showed that the Skelton framing system with bracing is the cost-effective choice for 30storeys steel space frames at wind speeds of 55m/sec, 50m/sec and 47m/sec.
Keywords: Bracings, SFS (Skeleton framing system), SFWB (Skeleton frame with bracing system) etc…
IRJET- A Review on Seismic Analysis of Buildings using Passive Energy Dis...IRJET Journal
The document summarizes research on using passive energy dissipating devices to improve the seismic performance of buildings. It reviews literature on three main types of passive dampers: fluid viscous dampers, viscoelastic dampers, and friction dampers. Studies show that incorporating these dampers can significantly reduce inter-story drifts, floor accelerations, and shear forces in buildings during earthquakes by dissipating seismic energy. Fluid viscous dampers and friction dampers in particular have been found to improve structural response and reduce damage when optimized for location and properties in the building design.
A Review study on the Design of Wind Screen Using Finite Element ApproachIRJET Journal
This document discusses the design of a wind screen using finite element analysis to evaluate its performance. It aims to analyze different wind speeds and loads on the steel structure of the wind screen. STAAD Pro software will be used to analyze the structure under wind loads at different heights and densities. The methodology involves collecting wind speed data, selecting steel members and mesh material, assigning properties and loads, and analyzing the structure. The analysis results are expected to show how reducing the height or increasing the steel depth can handle higher wind speeds.
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.
THE WIND EFFECT ON G+3 BUILDING ROOF MOUNT WITH SINGLE AXIS TRACKER AND GROUN...IRJET Journal
This document analyzes the wind effects on ground-mounted and roof-mounted single-axis solar trackers through modeling and simulation. It discusses modeling ground-mounted and roof-mounted (G+3 building) single-axis tracker structures in STAAD Pro to calculate loads and stresses under various wind conditions. The analysis aims to understand structural behavior and design optimum solutions for withstanding wind loads at different angles of inclination (0 and 45 degrees). Results are presented for four cases - ground-mounted at 0 and 45 degrees, and roof-mounted at 0 and 45 degrees. The research helps understand wind effects on different solar tracker mounting structures.
Analysis of Wind Load Effects on R.C Structure Resting on Flat and Sloping Gr...IRJET Journal
This document analyzes the effects of wind loads on reinforced concrete structures resting on flat and sloping ground using ETABS software. 36 models are created to analyze structures of varying heights (G+5, G+10, G+15) in different wind zones (3, 4, 5) on slopes of 0, 10, 20, and 30 degrees. Results for story displacement, drift, mode period are checked and compared to code requirements and manual calculations. The analysis aims to evaluate wind load distribution, compare effects of flat and sloping ground, study structural behavior, assess stability, optimize design, and validate design codes to improve structural design and resistance to wind loads.
BEHAVIOR OF TALL MASONRY CHIMNEYS UNDER WIND LOADINGS USING CFD TECHNIQUEIRJET Journal
This document discusses using computational fluid dynamics (CFD) to analyze wind-induced responses of tall masonry chimneys. It first reviews previous research using both experimental and numerical methods like CFD to study the effects of building design on aerodynamic forces. The document then describes how CFD and the finite volume method can be applied to model airflow and calculate drag forces on chimneys. Lastly, it notes that CFD simulations require expertise and proper modeling of factors like turbulence, and that various elements of a building's design impact its experience of wind loads.
Analysis of Wind Load on Tall Building of Various Aspect RatiosIRJET Journal
This document analyzes the wind load effects on tall buildings of various aspect ratios through computer modeling and simulation. Four 30-story building models were created with horizontal aspect ratios of 1, 2.25, 4, and 9 to represent buildings with plan dimensions of 60m x 60m, 90m x 40m, 120m x 30m, and 180m x 20m respectively. Wind loads were calculated according to Indian standards and applied to the models. Results show that maximum displacement and story drift increase with higher aspect ratios as the buildings become more susceptible to wind loads. The 180m x 20m building exhibited much greater displacement than the other models. Axial forces in columns and bending moments also rose with larger aspect ratios. The
Effect of configuration on lateral displacement and cost of the structure for...eSAT Journals
Abstract
The choice of a cost effective lateral-force-resisting system for high-rise structures is challenging. There is no streamlined methodology to quantitatively compare the cost-effectiveness of each system beyond the more qualitative perception based evaluation of advantages or disadvantages. Developers currently base their decisions on architectural layout and structural integrity. Cost considerations are often primarily based on experience.
This decision making process has three primary shortfalls.
1) It may not incorporate factors which greatly affect the economy of a particular framing system.
2) It may not allow engineers to carryout designs at the least cost.
3) Comparison of framing systems may not address the specific building types.
This investigation proposes a prototype cost-effective model for selecting either a skeleton framing system or skeleton frame with bracing system for steel structural frames. A model for selecting cost-effective skeleton framing system or skeleton frame with bracing system will be a valuable tool for all decision makers. Engineers, in particular, will be able to select optimal steel framing faster, thus reducing design time and iterations. Furthermore, selection of economic framing system will also result in direct cost savings for steel structural frames.
The study involves the design and cost estimation of steel frames representing skeleton framing system and skeleton frame with bracingsystem. The cost effectiveness of the framing systems are compared based on lateral displacement requirements and cost.The preferred framing system should meet lateral displacement requirements and is lower in cost. The results of this pilot study showed that the Skelton framing system with bracing is the cost-effective choice for 30storeys steel space frames at wind speeds of 55m/sec, 50m/sec and 47m/sec.
Keywords: Bracings, SFS (Skeleton framing system), SFWB (Skeleton frame with bracing system) etc…
IRJET- A Review on Seismic Analysis of Buildings using Passive Energy Dis...IRJET Journal
The document summarizes research on using passive energy dissipating devices to improve the seismic performance of buildings. It reviews literature on three main types of passive dampers: fluid viscous dampers, viscoelastic dampers, and friction dampers. Studies show that incorporating these dampers can significantly reduce inter-story drifts, floor accelerations, and shear forces in buildings during earthquakes by dissipating seismic energy. Fluid viscous dampers and friction dampers in particular have been found to improve structural response and reduce damage when optimized for location and properties in the building design.
A Review study on the Design of Wind Screen Using Finite Element ApproachIRJET Journal
This document discusses the design of a wind screen using finite element analysis to evaluate its performance. It aims to analyze different wind speeds and loads on the steel structure of the wind screen. STAAD Pro software will be used to analyze the structure under wind loads at different heights and densities. The methodology involves collecting wind speed data, selecting steel members and mesh material, assigning properties and loads, and analyzing the structure. The analysis results are expected to show how reducing the height or increasing the steel depth can handle higher wind speeds.
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 DESIGN OF MULTISTORIED EARTHQUAKE RESISTANT BUILDING. “G+25”IRJET Journal
This document summarizes the analysis and design of a 25-story earthquake resistant building (G+25) using STAAD Pro software. The building is modeled and analyzed for dead, live, and seismic loads according to Indian codes. The maximum shear forces and bending moments are determined. The sizes of beams, columns, and other structural elements are designed and reinforced concrete sections are determined. The analysis found that the structural members are safe and economical for the loads designed for, and the sizes obtained from STAAD can be used for construction of the building. Future work could use STAAD to analyze tall buildings under seismic loads and optimize designs using lightweight and self-compacting concrete.
IRJET- Comparative Study on Seismic and Wind Performance of Multi-Storeyed Bu...IRJET Journal
This document provides a literature review on the comparative study of seismic and wind performance of multi-storey buildings with plan and vertical irregularities. Several previous studies are summarized that analyzed regular and irregular structures using software like ETABS. The studies found that irregular structures experienced higher displacements and drifts compared to regular structures under lateral loads. Parameters like base shear, story drift, displacement, and acceleration were compared between regular and irregular configurations. In general, it was found that irregular structures are more susceptible to damage from seismic and wind loads.
IRJET- Literature Survey on Comparative Analysis of RC & Steel ChimneyIRJET Journal
This document summarizes research on the comparative analysis of reinforced concrete (RC) and steel chimneys. It discusses several past studies that have analyzed chimney design, modeling, and response to various loads like wind and seismic forces. The studies used numerical modeling techniques like finite element analysis to model chimney structures and evaluate their behavior under different loading conditions. The document also reviews research on optimizing chimney geometry and use of vibration dampers to reduce dynamic response of steel chimneys to wind loads.
COMPARITIVE ANALYSIS OF RCC STRUCTURE ON SLOPING GROUND AGAINST SEISMIC LOADI...IRJET Journal
This document analyzes the seismic performance of reinforced concrete structures on sloping ground using fluid viscous dampers, shear walls, and bracings. It models a 10-story building in the software ETABS and analyzes it under response spectrum analysis. The models are compared based on maximum story displacement, drift, and shear. Results show that in the x-direction, the structure with x-bracing performed best in reducing seismic effects compared to the other models that included fluid viscous dampers and shear walls.
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.
Review Paper on Comparative Analysis of Circular and Rectangular Building Str...IRJET Journal
This document presents a review and comparative analysis of circular and rectangular building structures in terms of load distribution and construction area utilization. It begins with an abstract highlighting the objectives of analyzing and quantifying these factors for both building shapes. It then provides background context on the problem statement and research objectives. The methodology section outlines the steps taken, including data collection, structural modeling, load simulation, analysis, and visualization of results. Literature on previous related studies is also reviewed. The document presents numerical data used in modeling a sample circular and rectangular building. It analyzes load distribution patterns and construction space optimization between the two shapes. Finally, it concludes the circular structure exhibits unique stress distribution but the rectangular is more predictable, while the circular optimizes interior space
Wind-resistant structural optimization of irregular tall building using CFD a...Shakerqaidi
This document presents a methodology for optimizing the structural design of irregular tall buildings for wind resistance using computational fluid dynamics (CFD) and genetic algorithms. The methodology involves:
1. Using CFD to model wind flow on a building and calculate wind pressures, which are then translated into wind loads on each story.
2. Employing a genetic algorithm to optimize the building's lateral structural system by minimizing its concrete volume, while satisfying constraints on lateral drift and top acceleration.
3. Integrating finite element analysis to evaluate the structural response against design limits at each step of the optimization process.
The approach aims to provide a more efficient and sustainable design compared to traditional methods, by optimizing the structure without
Static Analysis of G+2 Institutional Building in BhopalIJERA Editor
A Seismic design is aimed at controlling the structural damage based on precise estimations of proper response
parameters. Seismic design explicitly evaluates how a building is likely to perform; given the potential hazard it
is likely to experience, considering uncertainties inherent in the quantification of potential hazard and
uncertainties in assessment of the actual building response. It is an interactive process that begins with the
selection of performance objectives, followed by the development of a preliminary design, an assessment as to
whether or not the design meets the performance objectives, and finally redesign and reassessment, if required,
until the desired performance level is achieved.
In this present study one R.C. buildings, of G + 2 storey institutional building (designed according to IS
456:2000) are analysed. Analysis and redesigning by changing the main reinforcement of various frame
elements and again analyzing. The structural analysis has been carried out using STAAD.Pro V8i, a product of
Structural Analysis and Design Program. A total of 1 cases for a particular G + 2 storey institutional building
located in Zone-II have been analyzed. The results of analysis are compared in terms of reinforcement in the
column and beam. The best possible combination of reinforcement that is economical, effective and whose
damage is limited to Grade 2 (slight structural damage, moderate non structural damage) in order to enable
Immediate Occupancy is determined and is termed as Seismic Design.
Wind and Seismic Analysis of Building with Bracing System Resting on Sloping ...IRJET Journal
This document summarizes a research study that analyzed the wind and seismic performance of buildings with different bracing systems on sloping ground. The study used ETABS software to model and analyze step back buildings with various bracing types, including X, V, inverted V, and diagonal bracing. Results showed that X bracing provided the best performance in terms of maximum displacement, drift, base shear, and fundamental time period. Step back buildings with X bracing demonstrated superior performance under wind and seismic loads compared to step back setback buildings. The effectiveness of bracing was found to be limited for buildings over 6 stories or with an increased number of bays along the slope. Increasing bays across the slope enhanced building performance with bra
Analysis For Retrofitting Of An Existing Failed RC Column Using FEM Software’sIRJET Journal
This document discusses retrofitting of an existing failed reinforced concrete column using finite element modeling software. It describes analyzing a 3m floor height residential building in Pune, India using ETABS software. The analysis found a column failing under a total load of 452kN. Retrofitting techniques will be explored using ANSYS to strengthen the column to resist loads up to 500kN. The document reviews various retrofitting methods studied in previous literature and outlines the problem of retrofitting the specific failed column.
Seismic Analysis of High Rise Building with is Code 1893-2002 and is Code 189...IRJET Journal
This document discusses seismic analysis of high-rise buildings using IS 1893-2002 and IS 1893-2016 codes. It analyzes a 50-story building model under both codes and compares results. Analysis includes response spectrum analysis, modeling the building in ETABS, and determining displacements, shear forces, and bending moments. The new code produced lower displacements of 0.16m compared to 1.08m in the old code. Shear forces decreased from 334kN to 188kN, indicating improvements in the revised code for seismic loading. The document concludes the new Indian code provides better estimates of seismic demand for structural design.
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.
Review Paper on Analysis and Design of Steel Truss by using Angle and Tube Se...IRJET Journal
This document reviews the analysis and design of steel trusses using angle and tube sections. It discusses how tubular steel sections provide benefits over conventional angle sections, including greater load capacity, flexibility, and cost savings of up to 20%. The document then analyzes different steel roof truss designs for an industrial building using STAAD Pro software. It compares the designs based on factors like material quantity and cost. The analysis found that designs using tubular sections required less steel and were more economical compared to those using angle sections.
A COMPARATIVE STUDY USING ETABS SOFTWARE ON THE WIND ANALYSIS OF G+10 AND G+1...IRJET Journal
1. The document presents a comparative study on the wind analysis of regular and irregular G+10 and G+15 high-rise structures using ETABS software.
2. 24 building models were developed and analyzed for wind loads at different heights and velocities according to Indian code IS 875(Part 3)-2015.
3. The results show that maximum displacements, drifts, shears, and overturning moments generally increase with wind speed and are higher for irregular structures and taller G+15 buildings compared to regular structures and shorter G+10 buildings.
Response Spectrum and Time History Analysis of a Multistorey BuildingIRJET Journal
This document summarizes a study that analyzed the response spectrum and time history analysis of a 15-story building model using ETABS software. The building was subjected to seismic analysis to determine displacements, storey shears, and stiffness under earthquake forces. Both response spectrum analysis and time history analysis were conducted. The response spectrum analysis produced plots of storey displacement, storey shear, and storey stiffness. The time history analysis generated response spectrum plots and time history plots showing the variation in results between the two analysis methods. The study concluded the multi-story building designed to code was able to resist seismic forces based on the analysis results.
This document discusses the structural analysis of façades for multi-story buildings using multi-tool simulation. It focuses on analyzing an aluminum composite material (ACM) façade system for a tall building under wind loads based on Indian design standards. The methodology involves designing the ACM façade system in STAAD Pro and analyzing its response to wind loads. The objectives are to identify materials used in façades, design and analyze the façade system for wind loads, and evaluate its potential to reduce energy usage through daylighting. Codal provisions for wind loads from Indian standards are reviewed to inform the structural analysis in STAAD Pro.
Study of Seismic and Wind Effect on Multi-Storey R.C.C. Building using ETABSIRJET Journal
The document discusses analyzing the effects of building height on base shear and lateral forces due to earthquake and wind loads using ETABS software. A multi-story irregular building is modeled and analyzed at different heights. Results for wind and earthquake loads are compared at various stories to determine the minimum height at which wind load dominates over earthquake load. The analysis includes modeling the building, applying dead, live, wind and earthquake loads, and evaluating base shear, shear forces, and bending moments.
Study of Self Compacting Concrete by using Marginal Materials-Partial Replace...IRJET Journal
The document analyzes the effects of building height on base shear and lateral forces generated by earthquake and wind loads using ETABS software. A multi-storey irregular structure is modeled and analyzed at different heights. Load combinations including dead load, live load, wind load, and earthquake load are considered. Base shear values and lateral forces are calculated at various storeys. The minimum height at which wind load dominates over earthquake load is determined. Force coefficients and base shear results for different load combinations are presented for the 11th to 5th storeys. The analysis aims to compare wind and earthquake loads at varying heights and identify the height where wind load exceeds earthquake load.
A Review on Comparative Analysis of Multistorey Buildings Under Various India...IRJET Journal
This document summarizes and compares the findings of 5 research papers on seismic analysis of multi-storey buildings under various conditions in India. Key findings include:
1) Buildings perform better in lower seismic zones with lower base shear, displacement and drift. Irregular buildings need more design consideration.
2) Diaphragm discontinuity like openings significantly impact load transfer and response to seismic forces.
3) Building shape/configuration affects its ability to withstand seismic forces. Structures like shear walls improve seismic performance.
4) As seismic zones increase, designs require more steel reinforcement, especially in beams, to resist higher seismic forces.
The studies provide valuable insights on building practices and seismic vulnerability based
AN EXPERIMENTAL STUDY ON CFDST COLUMN UNDER AXIAL LOADINGIRJET Journal
The document presents an experimental study on Circular-Filled Double-Skin Tubular (CFDST) columns under axial loading. CFDST columns with circular hollow section inner and outer tubes are tested to investigate their behavior and properties. The testing involves subjecting CFDST column specimens to axial compression loads using a Universal Testing Machine to determine load-carrying capacity, deformation patterns, and failure mechanisms. Results from the experimental testing are then validated using finite element analysis in ANSYS software. The study finds reasonable agreement between computational predictions and experimental results, providing validation of the computational models.
TUNNELING IN HIMALAYAS WITH NATM METHOD: A SPECIAL REFERENCES TO SUNGAL TUNNE...IRJET Journal
1) The document discusses the Sungal Tunnel project in Jammu and Kashmir, India, which is being constructed using the New Austrian Tunneling Method (NATM).
2) NATM involves continuous monitoring during construction to adapt to changing ground conditions, and makes extensive use of shotcrete for temporary tunnel support.
3) The methodology section outlines the systematic geotechnical design process for tunnels according to Austrian guidelines, and describes the various steps of NATM tunnel construction including initial and secondary tunnel support.
STUDY THE EFFECT OF RESPONSE REDUCTION FACTOR ON RC FRAMED STRUCTUREIRJET Journal
This study examines the effect of response reduction factors (R factors) on reinforced concrete (RC) framed structures through nonlinear dynamic analysis. Three RC frame models with varying heights (4, 8, and 12 stories) were analyzed in ETABS software under different R factors ranging from 1 to 5. The results showed that displacement increased as the R factor decreased, indicating less linear behavior for lower R factors. Drift also decreased proportionally with increasing R factors from 1 to 5. Shear forces in the frames decreased with higher R factors. In general, R factors of 3 to 5 produced more satisfactory performance with less displacement and drift. The displacement variations between different building heights were consistent at different R factors. This study evaluated how R factors influence
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This document presents a review and comparative analysis of circular and rectangular building structures in terms of load distribution and construction area utilization. It begins with an abstract highlighting the objectives of analyzing and quantifying these factors for both building shapes. It then provides background context on the problem statement and research objectives. The methodology section outlines the steps taken, including data collection, structural modeling, load simulation, analysis, and visualization of results. Literature on previous related studies is also reviewed. The document presents numerical data used in modeling a sample circular and rectangular building. It analyzes load distribution patterns and construction space optimization between the two shapes. Finally, it concludes the circular structure exhibits unique stress distribution but the rectangular is more predictable, while the circular optimizes interior space
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This document presents a methodology for optimizing the structural design of irregular tall buildings for wind resistance using computational fluid dynamics (CFD) and genetic algorithms. The methodology involves:
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A Seismic design is aimed at controlling the structural damage based on precise estimations of proper response
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is likely to experience, considering uncertainties inherent in the quantification of potential hazard and
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until the desired performance level is achieved.
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456:2000) are analysed. Analysis and redesigning by changing the main reinforcement of various frame
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Analysis For Retrofitting Of An Existing Failed RC Column Using FEM Software’sIRJET Journal
This document discusses retrofitting of an existing failed reinforced concrete column using finite element modeling software. It describes analyzing a 3m floor height residential building in Pune, India using ETABS software. The analysis found a column failing under a total load of 452kN. Retrofitting techniques will be explored using ANSYS to strengthen the column to resist loads up to 500kN. The document reviews various retrofitting methods studied in previous literature and outlines the problem of retrofitting the specific failed column.
Seismic Analysis of High Rise Building with is Code 1893-2002 and is Code 189...IRJET Journal
This document discusses seismic analysis of high-rise buildings using IS 1893-2002 and IS 1893-2016 codes. It analyzes a 50-story building model under both codes and compares results. Analysis includes response spectrum analysis, modeling the building in ETABS, and determining displacements, shear forces, and bending moments. The new code produced lower displacements of 0.16m compared to 1.08m in the old code. Shear forces decreased from 334kN to 188kN, indicating improvements in the revised code for seismic loading. The document concludes the new Indian code provides better estimates of seismic demand for structural design.
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.
Review Paper on Analysis and Design of Steel Truss by using Angle and Tube Se...IRJET Journal
This document reviews the analysis and design of steel trusses using angle and tube sections. It discusses how tubular steel sections provide benefits over conventional angle sections, including greater load capacity, flexibility, and cost savings of up to 20%. The document then analyzes different steel roof truss designs for an industrial building using STAAD Pro software. It compares the designs based on factors like material quantity and cost. The analysis found that designs using tubular sections required less steel and were more economical compared to those using angle sections.
A COMPARATIVE STUDY USING ETABS SOFTWARE ON THE WIND ANALYSIS OF G+10 AND G+1...IRJET Journal
1. The document presents a comparative study on the wind analysis of regular and irregular G+10 and G+15 high-rise structures using ETABS software.
2. 24 building models were developed and analyzed for wind loads at different heights and velocities according to Indian code IS 875(Part 3)-2015.
3. The results show that maximum displacements, drifts, shears, and overturning moments generally increase with wind speed and are higher for irregular structures and taller G+15 buildings compared to regular structures and shorter G+10 buildings.
Response Spectrum and Time History Analysis of a Multistorey BuildingIRJET Journal
This document summarizes a study that analyzed the response spectrum and time history analysis of a 15-story building model using ETABS software. The building was subjected to seismic analysis to determine displacements, storey shears, and stiffness under earthquake forces. Both response spectrum analysis and time history analysis were conducted. The response spectrum analysis produced plots of storey displacement, storey shear, and storey stiffness. The time history analysis generated response spectrum plots and time history plots showing the variation in results between the two analysis methods. The study concluded the multi-story building designed to code was able to resist seismic forces based on the analysis results.
This document discusses the structural analysis of façades for multi-story buildings using multi-tool simulation. It focuses on analyzing an aluminum composite material (ACM) façade system for a tall building under wind loads based on Indian design standards. The methodology involves designing the ACM façade system in STAAD Pro and analyzing its response to wind loads. The objectives are to identify materials used in façades, design and analyze the façade system for wind loads, and evaluate its potential to reduce energy usage through daylighting. Codal provisions for wind loads from Indian standards are reviewed to inform the structural analysis in STAAD Pro.
Study of Seismic and Wind Effect on Multi-Storey R.C.C. Building using ETABSIRJET Journal
The document discusses analyzing the effects of building height on base shear and lateral forces due to earthquake and wind loads using ETABS software. A multi-story irregular building is modeled and analyzed at different heights. Results for wind and earthquake loads are compared at various stories to determine the minimum height at which wind load dominates over earthquake load. The analysis includes modeling the building, applying dead, live, wind and earthquake loads, and evaluating base shear, shear forces, and bending moments.
Study of Self Compacting Concrete by using Marginal Materials-Partial Replace...IRJET Journal
The document analyzes the effects of building height on base shear and lateral forces generated by earthquake and wind loads using ETABS software. A multi-storey irregular structure is modeled and analyzed at different heights. Load combinations including dead load, live load, wind load, and earthquake load are considered. Base shear values and lateral forces are calculated at various storeys. The minimum height at which wind load dominates over earthquake load is determined. Force coefficients and base shear results for different load combinations are presented for the 11th to 5th storeys. The analysis aims to compare wind and earthquake loads at varying heights and identify the height where wind load exceeds earthquake load.
A Review on Comparative Analysis of Multistorey Buildings Under Various India...IRJET Journal
This document summarizes and compares the findings of 5 research papers on seismic analysis of multi-storey buildings under various conditions in India. Key findings include:
1) Buildings perform better in lower seismic zones with lower base shear, displacement and drift. Irregular buildings need more design consideration.
2) Diaphragm discontinuity like openings significantly impact load transfer and response to seismic forces.
3) Building shape/configuration affects its ability to withstand seismic forces. Structures like shear walls improve seismic performance.
4) As seismic zones increase, designs require more steel reinforcement, especially in beams, to resist higher seismic forces.
The studies provide valuable insights on building practices and seismic vulnerability based
AN EXPERIMENTAL STUDY ON CFDST COLUMN UNDER AXIAL LOADINGIRJET Journal
The document presents an experimental study on Circular-Filled Double-Skin Tubular (CFDST) columns under axial loading. CFDST columns with circular hollow section inner and outer tubes are tested to investigate their behavior and properties. The testing involves subjecting CFDST column specimens to axial compression loads using a Universal Testing Machine to determine load-carrying capacity, deformation patterns, and failure mechanisms. Results from the experimental testing are then validated using finite element analysis in ANSYS software. The study finds reasonable agreement between computational predictions and experimental results, providing validation of the computational models.
Similar to REVIEW ON PERFORMANCE BASED WIND ANALYSIS AND DESIGN (20)
TUNNELING IN HIMALAYAS WITH NATM METHOD: A SPECIAL REFERENCES TO SUNGAL TUNNE...IRJET Journal
1) The document discusses the Sungal Tunnel project in Jammu and Kashmir, India, which is being constructed using the New Austrian Tunneling Method (NATM).
2) NATM involves continuous monitoring during construction to adapt to changing ground conditions, and makes extensive use of shotcrete for temporary tunnel support.
3) The methodology section outlines the systematic geotechnical design process for tunnels according to Austrian guidelines, and describes the various steps of NATM tunnel construction including initial and secondary tunnel support.
STUDY THE EFFECT OF RESPONSE REDUCTION FACTOR ON RC FRAMED STRUCTUREIRJET Journal
This study examines the effect of response reduction factors (R factors) on reinforced concrete (RC) framed structures through nonlinear dynamic analysis. Three RC frame models with varying heights (4, 8, and 12 stories) were analyzed in ETABS software under different R factors ranging from 1 to 5. The results showed that displacement increased as the R factor decreased, indicating less linear behavior for lower R factors. Drift also decreased proportionally with increasing R factors from 1 to 5. Shear forces in the frames decreased with higher R factors. In general, R factors of 3 to 5 produced more satisfactory performance with less displacement and drift. The displacement variations between different building heights were consistent at different R factors. This study evaluated how R factors influence
A COMPARATIVE ANALYSIS OF RCC ELEMENT OF SLAB WITH STARK STEEL (HYSD STEEL) A...IRJET Journal
This study compares the use of Stark Steel and TMT Steel as reinforcement materials in a two-way reinforced concrete slab. Mechanical testing is conducted to determine the tensile strength, yield strength, and other properties of each material. A two-way slab design adhering to codes and standards is executed with both materials. The performance is analyzed in terms of deflection, stability under loads, and displacement. Cost analyses accounting for material, durability, maintenance, and life cycle costs are also conducted. The findings provide insights into the economic and structural implications of each material for reinforcement selection and recommendations on the most suitable material based on the analysis.
Effect of Camber and Angles of Attack on Airfoil CharacteristicsIRJET Journal
This document discusses a study analyzing the effect of camber, position of camber, and angle of attack on the aerodynamic characteristics of airfoils. Sixteen modified asymmetric NACA airfoils were analyzed using computational fluid dynamics (CFD) by varying the camber, camber position, and angle of attack. The results showed the relationship between these parameters and the lift coefficient, drag coefficient, and lift to drag ratio. This provides insight into how changes in airfoil geometry impact aerodynamic performance.
A Review on the Progress and Challenges of Aluminum-Based Metal Matrix Compos...IRJET Journal
This document reviews the progress and challenges of aluminum-based metal matrix composites (MMCs), focusing on their fabrication processes and applications. It discusses how various aluminum MMCs have been developed using reinforcements like borides, carbides, oxides, and nitrides to improve mechanical and wear properties. These composites have gained prominence for their lightweight, high-strength and corrosion resistance properties. The document also examines recent advancements in fabrication techniques for aluminum MMCs and their growing applications in industries such as aerospace and automotive. However, it notes that challenges remain around issues like improper mixing of reinforcements and reducing reinforcement agglomeration.
Dynamic Urban Transit Optimization: A Graph Neural Network Approach for Real-...IRJET Journal
This document discusses research on using graph neural networks (GNNs) for dynamic optimization of public transportation networks in real-time. GNNs represent transit networks as graphs with nodes as stops and edges as connections. The GNN model aims to optimize networks using real-time data on vehicle locations, arrival times, and passenger loads. This helps increase mobility, decrease traffic, and improve efficiency. The system continuously trains and infers to adapt to changing transit conditions, providing decision support tools. While research has focused on performance, more work is needed on security, socio-economic impacts, contextual generalization of models, continuous learning approaches, and effective real-time visualization.
Structural Analysis and Design of Multi-Storey Symmetric and Asymmetric Shape...IRJET Journal
This document summarizes a research project that aims to compare the structural performance of conventional slab and grid slab systems in multi-story buildings using ETABS software. The study will analyze both symmetric and asymmetric building models under various loading conditions. Parameters like deflections, moments, shears, and stresses will be examined to evaluate the structural effectiveness of each slab type. The results will provide insights into the comparative behavior of conventional and grid slabs to help engineers and architects select appropriate slab systems based on building layouts and design requirements.
A Review of “Seismic Response of RC Structures Having Plan and Vertical Irreg...IRJET Journal
This document summarizes and reviews a research paper on the seismic response of reinforced concrete (RC) structures with plan and vertical irregularities, with and without infill walls. It discusses how infill walls can improve or reduce the seismic performance of RC buildings, depending on factors like wall layout, height distribution, connection to the frame, and relative stiffness of walls and frames. The reviewed research paper analyzes the behavior of infill walls, effects of vertical irregularities, and seismic performance of high-rise structures under linear static and dynamic analysis. It studies response characteristics like story drift, deflection and shear. The document also provides literature on similar research investigating the effects of infill walls, soft stories, plan irregularities, and different
This document provides a review of machine learning techniques used in Advanced Driver Assistance Systems (ADAS). It begins with an abstract that summarizes key applications of machine learning in ADAS, including object detection, recognition, and decision-making. The introduction discusses the integration of machine learning in ADAS and how it is transforming vehicle safety. The literature review then examines several research papers on topics like lightweight deep learning models for object detection and lane detection models using image processing. It concludes by discussing challenges and opportunities in the field, such as improving algorithm robustness and adaptability.
Long Term Trend Analysis of Precipitation and Temperature for Asosa district,...IRJET Journal
The document analyzes temperature and precipitation trends in Asosa District, Benishangul Gumuz Region, Ethiopia from 1993 to 2022 based on data from the local meteorological station. The results show:
1) The average maximum and minimum annual temperatures have generally decreased over time, with maximum temperatures decreasing by a factor of -0.0341 and minimum by -0.0152.
2) Mann-Kendall tests found the decreasing temperature trends to be statistically significant for annual maximum temperatures but not for annual minimum temperatures.
3) Annual precipitation in Asosa District showed a statistically significant increasing trend.
The conclusions recommend development planners account for rising summer precipitation and declining temperatures in
P.E.B. Framed Structure Design and Analysis Using STAAD ProIRJET Journal
This document discusses the design and analysis of pre-engineered building (PEB) framed structures using STAAD Pro software. It provides an overview of PEBs, including that they are designed off-site with building trusses and beams produced in a factory. STAAD Pro is identified as a key tool for modeling, analyzing, and designing PEBs to ensure their performance and safety under various load scenarios. The document outlines modeling structural parts in STAAD Pro, evaluating structural reactions, assigning loads, and following international design codes and standards. In summary, STAAD Pro is used to design and analyze PEB framed structures to ensure safety and code compliance.
A Review on Innovative Fiber Integration for Enhanced Reinforcement of Concre...IRJET Journal
This document provides a review of research on innovative fiber integration methods for reinforcing concrete structures. It discusses studies that have explored using carbon fiber reinforced polymer (CFRP) composites with recycled plastic aggregates to develop more sustainable strengthening techniques. It also examines using ultra-high performance fiber reinforced concrete to improve shear strength in beams. Additional topics covered include the dynamic responses of FRP-strengthened beams under static and impact loads, and the performance of preloaded CFRP-strengthened fiber reinforced concrete beams. The review highlights the potential of fiber composites to enable more sustainable and resilient construction practices.
Survey Paper on Cloud-Based Secured Healthcare SystemIRJET Journal
This document summarizes a survey on securing patient healthcare data in cloud-based systems. It discusses using technologies like facial recognition, smart cards, and cloud computing combined with strong encryption to securely store patient data. The survey found that healthcare professionals believe digitizing patient records and storing them in a centralized cloud system would improve access during emergencies and enable more efficient care compared to paper-based systems. However, ensuring privacy and security of patient data is paramount as healthcare incorporates these digital technologies.
Review on studies and research on widening of existing concrete bridgesIRJET Journal
This document summarizes several studies that have been conducted on widening existing concrete bridges. It describes a study from China that examined load distribution factors for a bridge widened with composite steel-concrete girders. It also outlines challenges and solutions for widening a bridge in the UAE, including replacing bearings and stitching the new and existing structures. Additionally, it discusses two bridge widening projects in New Zealand that involved adding precast beams and stitching to connect structures. Finally, safety measures and challenges for strengthening a historic bridge in Switzerland under live traffic are presented.
React based fullstack edtech web applicationIRJET Journal
The document describes the architecture of an educational technology web application built using the MERN stack. It discusses the frontend developed with ReactJS, backend with NodeJS and ExpressJS, and MongoDB database. The frontend provides dynamic user interfaces, while the backend offers APIs for authentication, course management, and other functions. MongoDB enables flexible data storage. The architecture aims to provide a scalable, responsive platform for online learning.
A Comprehensive Review of Integrating IoT and Blockchain Technologies in the ...IRJET Journal
This paper proposes integrating Internet of Things (IoT) and blockchain technologies to help implement objectives of India's National Education Policy (NEP) in the education sector. The paper discusses how blockchain could be used for secure student data management, credential verification, and decentralized learning platforms. IoT devices could create smart classrooms, automate attendance tracking, and enable real-time monitoring. Blockchain would ensure integrity of exam processes and resource allocation, while smart contracts automate agreements. The paper argues this integration has potential to revolutionize education by making it more secure, transparent and efficient, in alignment with NEP goals. However, challenges like infrastructure needs, data privacy, and collaborative efforts are also discussed.
A REVIEW ON THE PERFORMANCE OF COCONUT FIBRE REINFORCED CONCRETE.IRJET Journal
This document provides a review of research on the performance of coconut fibre reinforced concrete. It summarizes several studies that tested different volume fractions and lengths of coconut fibres in concrete mixtures with varying compressive strengths. The studies found that coconut fibre improved properties like tensile strength, toughness, crack resistance, and spalling resistance compared to plain concrete. Volume fractions of 2-5% and fibre lengths of 20-50mm produced the best results. The document concludes that using a 4-5% volume fraction of coconut fibres 30-40mm in length with M30-M60 grade concrete would provide benefits based on previous research.
Optimizing Business Management Process Workflows: The Dynamic Influence of Mi...IRJET Journal
The document discusses optimizing business management processes through automation using Microsoft Power Automate and artificial intelligence. It provides an overview of Power Automate's key components and features for automating workflows across various apps and services. The document then presents several scenarios applying automation solutions to common business processes like data entry, monitoring, HR, finance, customer support, and more. It estimates the potential time and cost savings from implementing automation for each scenario. Finally, the conclusion emphasizes the transformative impact of AI and automation tools on business processes and the need for ongoing optimization.
Multistoried and Multi Bay Steel Building Frame by using Seismic DesignIRJET Journal
The document describes the seismic design of a G+5 steel building frame located in Roorkee, India according to Indian codes IS 1893-2002 and IS 800. The frame was analyzed using the equivalent static load method and response spectrum method, and its response in terms of displacements and shear forces were compared. Based on the analysis, the frame was designed as a seismic-resistant steel structure according to IS 800:2007. The software STAAD Pro was used for the analysis and design.
Cost Optimization of Construction Using Plastic Waste as a Sustainable Constr...IRJET Journal
This research paper explores using plastic waste as a sustainable and cost-effective construction material. The study focuses on manufacturing pavers and bricks using recycled plastic and partially replacing concrete with plastic alternatives. Initial results found that pavers and bricks made from recycled plastic demonstrate comparable strength and durability to traditional materials while providing environmental and cost benefits. Additionally, preliminary research indicates incorporating plastic waste as a partial concrete replacement significantly reduces construction costs without compromising structural integrity. The outcomes suggest adopting plastic waste in construction can address plastic pollution while optimizing costs, promoting more sustainable building practices.
KuberTENes Birthday Bash Guadalajara - K8sGPT first impressionsVictor Morales
K8sGPT is a tool that analyzes and diagnoses Kubernetes clusters. This presentation was used to share the requirements and dependencies to deploy K8sGPT in a local environment.
Harnessing WebAssembly for Real-time Stateless Streaming PipelinesChristina Lin
Traditionally, dealing with real-time data pipelines has involved significant overhead, even for straightforward tasks like data transformation or masking. However, in this talk, we’ll venture into the dynamic realm of WebAssembly (WASM) and discover how it can revolutionize the creation of stateless streaming pipelines within a Kafka (Redpanda) broker. These pipelines are adept at managing low-latency, high-data-volume scenarios.
A review on techniques and modelling methodologies used for checking electrom...nooriasukmaningtyas
The proper function of the integrated circuit (IC) in an inhibiting electromagnetic environment has always been a serious concern throughout the decades of revolution in the world of electronics, from disjunct devices to today’s integrated circuit technology, where billions of transistors are combined on a single chip. The automotive industry and smart vehicles in particular, are confronting design issues such as being prone to electromagnetic interference (EMI). Electronic control devices calculate incorrect outputs because of EMI and sensors give misleading values which can prove fatal in case of automotives. In this paper, the authors have non exhaustively tried to review research work concerned with the investigation of EMI in ICs and prediction of this EMI using various modelling methodologies and measurement setups.
Introduction- e - waste – definition - sources of e-waste– hazardous substances in e-waste - effects of e-waste on environment and human health- need for e-waste management– e-waste handling rules - waste minimization techniques for managing e-waste – recycling of e-waste - disposal treatment methods of e- waste – mechanism of extraction of precious metal from leaching solution-global Scenario of E-waste – E-waste in India- case studies.
Understanding Inductive Bias in Machine LearningSUTEJAS
This presentation explores the concept of inductive bias in machine learning. It explains how algorithms come with built-in assumptions and preferences that guide the learning process. You'll learn about the different types of inductive bias and how they can impact the performance and generalizability of machine learning models.
The presentation also covers the positive and negative aspects of inductive bias, along with strategies for mitigating potential drawbacks. We'll explore examples of how bias manifests in algorithms like neural networks and decision trees.
By understanding inductive bias, you can gain valuable insights into how machine learning models work and make informed decisions when building and deploying them.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.