This study compares the wind analysis of a 25-story reinforced concrete structure with different shapes (rectangular, square, and C-shape) using ETABS software. Three parameters are compared: story displacement, story drift, and base shear, both with and without shear walls. The rectangular structure performed best in all categories, with lower displacement, drift, and base shear values compared to the square and C-shaped structures. This indicates the rectangular structure provides better stability and resistance to lateral wind loads. Based on the results, a rectangular shape is recommended as the preferred structural shape for high-rise buildings in wind-prone areas.
Study of Comparison Between Static and Dynamic Analysis Subjected to Wind and...IRJET Journal
This document discusses a study comparing static and dynamic analysis of wind and earthquake loads on high-rise buildings. It provides background on wind loads, describes the objectives of investigating parameters like fundamental time period and displacements under dynamic loads. It also outlines the methodology, including design wind load calculation according to Indian codes, modeling a 150m building as a case study, and analyzing it both statically and dynamically under along-wind and across-wind loads.
Wind and Architecture: Design to the flowIRJET Journal
1) The document discusses how wind characteristics impact building design and how architects can design structures to accommodate wind flows.
2) It describes different wind types and how building plans, forms, heights, and construction materials affect wind pressure on structures. Taller and more slender buildings require more advanced dynamic modeling of wind forces.
3) The document provides examples of structural designs that mitigate wind impacts for very tall skyscrapers like Burj Khalifa, including its Y-shaped plan and stepped wings that reduce wind pressure, and mass dampers that absorb vibrations. Proper design of plans, forms, and construction can help buildings withstand wind forces.
“BEHAVIOUR OF MULTI-STOREY TWIN STRUCTURE CONNECTION OF THE BEAMS AT DIFFEREN...IRJET Journal
The document summarizes research on the behavior of multi-storey twin structures connected by beams at different levels. It analyzes parameters like base shear, storey displacement, and storey drift under seismic and wind conditions. The key findings are:
1) Connecting twin towers reduces base shear by up to 17% and storey displacement by up to 6% compared to uncoupled towers.
2) Maximum base shear and storey displacement occur at middle levels rather than the top or bottom of connected towers.
3) Connecting towers at higher levels and reducing the number of basements decreases displacement and drift more than connecting at lower levels or having more basements.
4) Storey drift
IRJET- Study of Behaviour of Multi-Storey Building with Shear WallsIRJET Journal
1) Shear walls are structural members designed to resist lateral forces like those caused by earthquakes. They improve a building's stiffness and ability to resist earthquake shaking.
2) The document studies the performance of different positions of shear walls in multi-storey buildings subjected to seismic loads. Shear walls placed along the periphery of the building were found to most efficiently resist seismic loads.
3) Shear walls improve a building's performance during earthquakes by reducing lateral displacement, decreasing vibration period, and limiting induced moments and torsion effects from seismic forces. When properly designed and constructed, shear walls provide effective seismic resistance.
IRJET- Dynamic Wind Analysis of RC Bundled Tube in Tube Structure using E...IRJET Journal
This document analyzes the dynamic wind performance of bundled tube-in-tube structures for tall buildings using ETABS software. It models a 365.5m tall building with a bundled tubular structural system consisting of multiple interconnected tubes that decrease in number with height. Dynamic wind analysis is conducted to calculate wind loads based on gust factors and compare the base shear, displacements, and drifts between the bundled tube structure and a bundled tube-in-tube structure with an inner core. The results show that the bundled tube-in-tube structure improves structural efficiency and response to lateral wind loads compared to the bundled tube structure alone.
IRJET- Analysis of Various Effects on Multistory Building (G+27) by Staad Pro...IRJET Journal
This document analyzes the effects of shear walls on a 28-story building modelled in STAAD Pro software. Three models are considered: one without shear walls and two with shear walls in different locations (inward and outward parts of the building). The models are compared based on load transfer and lateral displacement of structural elements. Results show that providing shear walls in suitable locations significantly reduces displacements due to earthquake and wind loads. The document also reviews previous studies on shear wall behavior and modelling approaches. Methodology describes analyzing a 9-story building model with and without shear walls to determine optimal wall locations based on structural displacement and storey drifting.
IRJET- Seismic Analysis of Multistoried Building with and without Shear Wall ...IRJET Journal
This document summarizes a study on the seismic analysis of a multi-story building with and without shear walls using ETABS software. Key findings include:
1) Shear walls significantly increase the rigidity and strength of a building framework and their absence can lead to failure during earthquakes.
2) Buildings with shear walls experience less story drift, displacement, and base shear compared to buildings without shear walls.
3) As the number of stories increases, buildings become more vulnerable to earthquake loads, making shear walls necessary for high-rise structures.
The study concludes that shear walls are an essential seismic resisting element, particularly for taller buildings in high seismic zones, as they greatly reduce structural damage and risk
Study of lateral load resisting systems of variable heights in all soil types...eSAT Journals
Abstract From the ancient time we know earthquake is a disaster causing event. Recent days structures are becoming more and more slender and more susceptible to sway and hence dangerous in the earthquake. Researchers and engineers have worked out in the past to make the structures as earthquake resistant. After many practical studies it has shown that use of lateral load resisting systems in the building configuration has tremendously improved the performance of the structure in earthquake. In present research we have used square grid of 20m in each direction of 5m bay in each direction, software used is ETABS 9.7.0, the work has been carried out for the different cases using shear wall and bracings for the different heights, maximum height considered for the present study is 75m. The modeling is done to examine the effect of different cases along with different heights on seismic parameters like base shear, lateral displacements and lateral drifts. The study has been carried out for the Zone V and all types of soils as specified in IS 1893-2002. Keywords: Bare Frame, Bracings, Shear Walls, Lateral Load Resisting Systems, Response Spectrum Method, Lateral Displacements, Drifts, Time Period, Base Shear, Seismic Zone, Soft soil
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This document discusses a study comparing static and dynamic analysis of wind and earthquake loads on high-rise buildings. It provides background on wind loads, describes the objectives of investigating parameters like fundamental time period and displacements under dynamic loads. It also outlines the methodology, including design wind load calculation according to Indian codes, modeling a 150m building as a case study, and analyzing it both statically and dynamically under along-wind and across-wind loads.
Wind and Architecture: Design to the flowIRJET Journal
1) The document discusses how wind characteristics impact building design and how architects can design structures to accommodate wind flows.
2) It describes different wind types and how building plans, forms, heights, and construction materials affect wind pressure on structures. Taller and more slender buildings require more advanced dynamic modeling of wind forces.
3) The document provides examples of structural designs that mitigate wind impacts for very tall skyscrapers like Burj Khalifa, including its Y-shaped plan and stepped wings that reduce wind pressure, and mass dampers that absorb vibrations. Proper design of plans, forms, and construction can help buildings withstand wind forces.
“BEHAVIOUR OF MULTI-STOREY TWIN STRUCTURE CONNECTION OF THE BEAMS AT DIFFEREN...IRJET Journal
The document summarizes research on the behavior of multi-storey twin structures connected by beams at different levels. It analyzes parameters like base shear, storey displacement, and storey drift under seismic and wind conditions. The key findings are:
1) Connecting twin towers reduces base shear by up to 17% and storey displacement by up to 6% compared to uncoupled towers.
2) Maximum base shear and storey displacement occur at middle levels rather than the top or bottom of connected towers.
3) Connecting towers at higher levels and reducing the number of basements decreases displacement and drift more than connecting at lower levels or having more basements.
4) Storey drift
IRJET- Study of Behaviour of Multi-Storey Building with Shear WallsIRJET Journal
1) Shear walls are structural members designed to resist lateral forces like those caused by earthquakes. They improve a building's stiffness and ability to resist earthquake shaking.
2) The document studies the performance of different positions of shear walls in multi-storey buildings subjected to seismic loads. Shear walls placed along the periphery of the building were found to most efficiently resist seismic loads.
3) Shear walls improve a building's performance during earthquakes by reducing lateral displacement, decreasing vibration period, and limiting induced moments and torsion effects from seismic forces. When properly designed and constructed, shear walls provide effective seismic resistance.
IRJET- Dynamic Wind Analysis of RC Bundled Tube in Tube Structure using E...IRJET Journal
This document analyzes the dynamic wind performance of bundled tube-in-tube structures for tall buildings using ETABS software. It models a 365.5m tall building with a bundled tubular structural system consisting of multiple interconnected tubes that decrease in number with height. Dynamic wind analysis is conducted to calculate wind loads based on gust factors and compare the base shear, displacements, and drifts between the bundled tube structure and a bundled tube-in-tube structure with an inner core. The results show that the bundled tube-in-tube structure improves structural efficiency and response to lateral wind loads compared to the bundled tube structure alone.
IRJET- Analysis of Various Effects on Multistory Building (G+27) by Staad Pro...IRJET Journal
This document analyzes the effects of shear walls on a 28-story building modelled in STAAD Pro software. Three models are considered: one without shear walls and two with shear walls in different locations (inward and outward parts of the building). The models are compared based on load transfer and lateral displacement of structural elements. Results show that providing shear walls in suitable locations significantly reduces displacements due to earthquake and wind loads. The document also reviews previous studies on shear wall behavior and modelling approaches. Methodology describes analyzing a 9-story building model with and without shear walls to determine optimal wall locations based on structural displacement and storey drifting.
IRJET- Seismic Analysis of Multistoried Building with and without Shear Wall ...IRJET Journal
This document summarizes a study on the seismic analysis of a multi-story building with and without shear walls using ETABS software. Key findings include:
1) Shear walls significantly increase the rigidity and strength of a building framework and their absence can lead to failure during earthquakes.
2) Buildings with shear walls experience less story drift, displacement, and base shear compared to buildings without shear walls.
3) As the number of stories increases, buildings become more vulnerable to earthquake loads, making shear walls necessary for high-rise structures.
The study concludes that shear walls are an essential seismic resisting element, particularly for taller buildings in high seismic zones, as they greatly reduce structural damage and risk
Study of lateral load resisting systems of variable heights in all soil types...eSAT Journals
Abstract From the ancient time we know earthquake is a disaster causing event. Recent days structures are becoming more and more slender and more susceptible to sway and hence dangerous in the earthquake. Researchers and engineers have worked out in the past to make the structures as earthquake resistant. After many practical studies it has shown that use of lateral load resisting systems in the building configuration has tremendously improved the performance of the structure in earthquake. In present research we have used square grid of 20m in each direction of 5m bay in each direction, software used is ETABS 9.7.0, the work has been carried out for the different cases using shear wall and bracings for the different heights, maximum height considered for the present study is 75m. The modeling is done to examine the effect of different cases along with different heights on seismic parameters like base shear, lateral displacements and lateral drifts. The study has been carried out for the Zone V and all types of soils as specified in IS 1893-2002. Keywords: Bare Frame, Bracings, Shear Walls, Lateral Load Resisting Systems, Response Spectrum Method, Lateral Displacements, Drifts, Time Period, Base Shear, Seismic Zone, Soft soil
Study of lateral load resisting systems of variable heights in all soil types...eSAT Publishing House
This document summarizes a study on the effects of different lateral load resisting systems (shear walls and bracing) at variable heights (15m, 30m, 45m, 60m, 75m) in high seismic zone V for all soil types. Finite element software was used to model multi-story buildings with a square plan of 20m x 20m and 5m bays. Response spectrum analysis was conducted according to Indian codes to determine seismic parameters like base shear, lateral displacements, and drifts. The objectives were to compare these parameters for bare frames and frames with shear walls or bracing at different heights in order to evaluate their effectiveness in resisting earthquake effects.
IRJET- A Review of Seismic Analysis of Shear Wall Optimization for Multi-...IRJET Journal
This document reviews seismic analysis of shear wall optimization in multi-storey buildings. It discusses different positions of shear walls, including at the middle, corners, and center of structures. Studies show shear walls improve structural performance under seismic loads by increasing stiffness and strength. Placing shear walls at the corners provides the highest reliability by minimizing drift, while a central location increases base shear and period. Properly designed and detailed shear walls improve earthquake resistance and are widely used in seismic regions.
Comparative and Parametric Study of Hillside Gateway Project of Irregular Str...IRJET Journal
This document presents a comparative parametric study of the behavior of a 20-story building structure with irregularities under seismic loading for different lateral load resisting systems. Two models are considered - one with shear walls and one with a frame structure. The building is analyzed for different seismic zones and soil types. Results for story drift, story shear, and story displacement are compared between the shear wall and frame models. In general, the study found that the frame structure exhibited higher drift, shear, and displacement compared to the shear wall structure. Values increased with higher seismic zone and poorer soil type. Shear walls provide better seismic performance than frames for structures with irregularities.
Important Characteristics and Behavioral Impact of Materials to Be Used in Ta...RSIS International
This paper reviews the importance of composite
structure in construction of high rise buildings. Here there is
basic comparison between the commonly used construction
materials i.e. steel and concrete. The significance of each of this
material in construction field has been briefly discussed. also,
some important characteristics of each material is explained.
IRJET- Study on Shear Wall and Bracing in Irregular Structure and Regular Str...IRJET Journal
This document presents a study on providing expansion joints in irregular and regular structures to improve their seismic performance. A 15-storey building model with an irregular L-shaped plan is created in ETABS software. The model is analyzed using response spectrum analysis for seismic zone V. The behavior of the irregular building is compared to regular models with and without expansion joints. The models include bare frames, shear wall frames, and combinations of shear walls and bracing. Responses such as base shear, story drift, displacement, forces and stiffness are compared between the regular and irregular configurations to evaluate the effectiveness of expansion joints.
The Study on Behaviour of Outriggers for Tall Buildings Subjected to Lateral ...IRJET Journal
1) The document discusses the use of outriggers in tall buildings to reduce structural damage from lateral loads like wind and seismic loads.
2) Outriggers connect the central core wall to exterior columns, increasing the building's stiffness and resistance to overturning moments from lateral loads.
3) Studies show that using multiple outriggers and optimizing their placement can significantly reduce building deflection, drift, and core wall bending moments compared to buildings without outriggers. Virtual outrigger systems using belt trusses can also provide benefits while avoiding issues of conventional outrigger designs.
ADEQUACY OF BELT-TRUSS AND OUTRIGGER SYSTEMS WITH VISCOUS DAMPER IN 3D RC FRA...IRJET Journal
This document presents a study on the effectiveness of belt-truss systems, outrigger systems, and viscous dampers in improving the seismic performance of 3D reinforced concrete frames. Twelve models of a G+23 storey reinforced concrete frame are analyzed using finite element modal, equivalent static, and response spectrum analyses. The results in terms of time period, base shear, storey displacement, and storey drift are obtained and discussed. It is found that the models with viscous dampers and belt-trusses/outriggers at multiple locations have lower time periods, base shear, displacements, and drifts compared to the bare frame, indicating improved seismic performance.
A Comparitive study on Regular and Irregular configuration of multistorey bui...IRJET Journal
This document compares the structural analysis results of a 9-storey regular and irregular building modeled in ETABS software. For both buildings, the displacements, drifts, and shear forces are reported at each storey. The results show that the irregular building experiences 10-23% lower displacements, drifts, and shear forces compared to the regular building. This is because irregular configurations result in non-uniform distribution of loads throughout the building. The document concludes that structural behavior depends on the shape and type of building, with irregular structures displaying reduced demands under lateral loads.
This document discusses seismic pounding between adjacent buildings. It defines seismic pounding as the collision of adjacent structures during earthquakes when there is insufficient separation between them. Minimum required separation distances are specified by building codes to prevent pounding, but these distances are sometimes not possible in dense urban areas. Pounding can cause structural and non-structural damage. The document then examines different cases of pounding that can occur between buildings of equal height, different heights, aligned/misaligned floor levels, and with similar/different dynamic properties. It also discusses factors that affect pounding and common failures like floor-to-column impacts. The goal is to understand pounding consequences and promote adequate separation or retrofitting to mitigate impacts.
The optimum location of shear wall in high rise r.c bulidings under lateral l...eSAT Journals
Abstract Shear walls are the structural elements of the horizontal force resisting system .shear walls have high influence stiffness and strength and provided to resist gravity loads as well as lateral loads caused by seismic and wind. So many literatures are available to analyze and design of shear wall. However the optimum location and its effects in high rise r.c.buildings is not much discussed in any literatures. In this paper the main aim is to find the effective, efficient, and optimum location of shear walls in high rise irregular R.C building. In this present study the optimum location of shear wall has been investigated with the help of three different models. Model 1 is bare frame structural system and other two models are dual type structural system with central core wall and corner shear wall. An earthquake load is calculated as per IS 1893(PART-1)-2002 and applied to (G+20) storey R.C building in zone-2 and zone-5. The analysis is performed using ETABS 9.7.4 Software package. Keywords: Shear wall, Irregular building, ETABS, analysis of structure, High rise building
Effect of Wind Load on Structural Performance of Dimensionally Regular & Irre...Dr. Amarjeet Singh
Outriggers system is used as one of the best way of increasing the lateral stiffness and has been generally utilized in tall building structures. The outrigger system is very effective in increasing structure’s flexural stiffness. It is likewise viable in decreasing the horizontal top deflection and bending moments in the core of high-rise frame-core structures. This study presents the detailed analysis on how the top drift, inter-story drift, base moment in the core are influenced by the outriggers stiffness, outriggers optimum locations, columns axial stiffness and foundations flexibility. outrigger braced structures can strengthen a structure without disturbing its aesthetic appearance and this is a significant advantage over other lateral load resisting systems. The thesis compare between many outriggers systems including both concrete & steel Outriggers. The Rectangular shape & L- shaped building structures are taken for analysis. The study also presents simplified procedure to optimize the location of the outriggers that will result in a maximum reduction in the lateral displacement at the top of the building. The modeling of the structure is done using “ETABS” program. The investigation of the model is completed by comparable static technique. Finally, the thesis proposed a simplified analysis for outriggers structures with core for both regular and irregular high rise building.
IRJET- Comparative Study of Usage of Outrigger and B-ELT Truss System for Hig...IRJET Journal
This document presents a comparative study of the usage of outrigger and belt truss systems for high-rise concrete buildings. It analyzes a 85-story, 259 meter tall building modelled in ETAB 2016. The building is strengthened laterally by providing outrigger and belt truss systems every 9-10 stories. Two analysis methods are used: linear static analysis and linear dynamic analysis for seismic and wind loads. Parameters like lateral displacement, maximum story drift, story shear forces, story moments, and story overturning moments are considered to better understand the building's behavior under large seismic and wind forces. Results show that the outrigger and belt truss system effectively controls excessive drift and minimizes risk of damage from lateral loads.
“Comparative Analysis of Blast Load on Multi Storey R.C.C. Building at Differ...IRJET Journal
This document summarizes a research paper that analyzes the effects of blast loads on multi-story reinforced concrete (RCC) buildings using computer modeling. 32 different blast load cases are modeled using ETABS software, varying the standoff distance (20m and 30m), TNT charge weight (50-300kg), and location of the blast (external walls and internal columns). The response of the building models under blast loading is examined through time history analysis, evaluating story displacement, drift, and shear. The goal is to better understand how RCC buildings respond structurally to blast loads at different locations and intensities.
IRJET- Effect of Wind on Tall StructuresIRJET Journal
1) The document discusses the effects of wind on tall structures and the complexities involved in wind loading design for such structures.
2) Simple quasi-static treatment of wind loading is too conservative for very tall buildings and does not account for important dynamic factors like resonance, damping, and cross-wind response.
3) Advanced wind loading design considers dynamic response, interference from nearby structures, wind direction asymmetry, and results from physical testing of structures.
Significance of shear wall in flat slab multi storied building - A ReviewIRJET Journal
This document summarizes research on the significance of shear walls in flat slab multi-story buildings. It begins with an abstract discussing the increased use of flat slab construction in tall buildings and how shear walls provide stability against lateral loads like wind and earthquakes. The document then reviews the theoretical background of flat slab construction and shear walls as bracing methods. It also summarizes several previous studies examining the effects of openings in shear walls, use of flat slabs in seismic zones, and different shear wall configurations. The literature review found that shear walls can effectively resist lateral loads and reduce displacement, with exterior corner placements performing best.
Study on Effect of Wind Load and Earthquake Load on Multi-storey RC Framed Bu...IJSRD
This document summarizes a study on the effects of wind and earthquake loads on multi-storey reinforced concrete framed buildings. Six different building models with varying use of shear walls were analyzed using structural analysis software to determine parameters like base shear, displacement, story drift, story forces. Results showed that models incorporating shear walls experienced reduced displacement, drift and forces compared to models without shear walls. As lateral loads like wind and earthquakes become more influential in tall building design, shear walls can effectively resist these loads and provide a more stable and economic structure.
Study of Strength of RC Shear Wall at Different Location on Multi-Storied Res...IJERA Editor
This document analyzes the strength of reinforced concrete shear walls at different locations in a multi-story residential building. It describes analyzing a 6-story building model in Hyderabad, India using ETABS software. Four models are considered: without shear walls, with L-shaped shear walls, with perimeter shear walls, and with cross-shaped shear walls. Analysis results show that perimeter shear walls most reduced maximum deflection and drift compared to other models. Shear forces in beams were highest for the perimeter wall model at the ground level and decreased with height. Bending moments in beams were highest for the perimeter wall model at the top level.
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.
Study of Wind Loads on Steel Building with and Without Different Braced Syste...IRJET Journal
This document summarizes a study analyzing the performance of a 40-story steel building under wind loads using different bracing systems in Tekla Structures software. The building was modeled without bracing and with V-bracing, X-bracing, and chevron bracing. Parameters like natural period, story drift, and displacement were compared. The results showed that the chevron bracing design provided the best structural performance with the shortest natural periods and lowest displacements and drifts. Thus, chevron bracing was the most effective at reducing a building's motion under wind loads compared to the other bracing configurations studied.
This document summarizes a study that analyzed the performance of an outrigger structural system in triple towers coupled at their centers. The study modeled a 10-story irregular steel structure located in Bengaluru, India with a 15m cantilever extending from each tower at the 7th floor to support a central hexagonal portion. The structure was analyzed using STAAD.pro software to compare the vertical and horizontal displacements of nodes at the tower ends between the outrigger system and a rigid jointed system of the same design. The results indicate that an outrigger system can effectively control excessive drift from lateral loads like wind and earthquakes, minimizing structural damage risks for high-rise buildings.
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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Outriggers system is used as one of the best way of increasing the lateral stiffness and has been generally utilized in tall building structures. The outrigger system is very effective in increasing structure’s flexural stiffness. It is likewise viable in decreasing the horizontal top deflection and bending moments in the core of high-rise frame-core structures. This study presents the detailed analysis on how the top drift, inter-story drift, base moment in the core are influenced by the outriggers stiffness, outriggers optimum locations, columns axial stiffness and foundations flexibility. outrigger braced structures can strengthen a structure without disturbing its aesthetic appearance and this is a significant advantage over other lateral load resisting systems. The thesis compare between many outriggers systems including both concrete & steel Outriggers. The Rectangular shape & L- shaped building structures are taken for analysis. The study also presents simplified procedure to optimize the location of the outriggers that will result in a maximum reduction in the lateral displacement at the top of the building. The modeling of the structure is done using “ETABS” program. The investigation of the model is completed by comparable static technique. Finally, the thesis proposed a simplified analysis for outriggers structures with core for both regular and irregular high rise building.
IRJET- Comparative Study of Usage of Outrigger and B-ELT Truss System for Hig...IRJET Journal
This document presents a comparative study of the usage of outrigger and belt truss systems for high-rise concrete buildings. It analyzes a 85-story, 259 meter tall building modelled in ETAB 2016. The building is strengthened laterally by providing outrigger and belt truss systems every 9-10 stories. Two analysis methods are used: linear static analysis and linear dynamic analysis for seismic and wind loads. Parameters like lateral displacement, maximum story drift, story shear forces, story moments, and story overturning moments are considered to better understand the building's behavior under large seismic and wind forces. Results show that the outrigger and belt truss system effectively controls excessive drift and minimizes risk of damage from lateral loads.
“Comparative Analysis of Blast Load on Multi Storey R.C.C. Building at Differ...IRJET Journal
This document summarizes a research paper that analyzes the effects of blast loads on multi-story reinforced concrete (RCC) buildings using computer modeling. 32 different blast load cases are modeled using ETABS software, varying the standoff distance (20m and 30m), TNT charge weight (50-300kg), and location of the blast (external walls and internal columns). The response of the building models under blast loading is examined through time history analysis, evaluating story displacement, drift, and shear. The goal is to better understand how RCC buildings respond structurally to blast loads at different locations and intensities.
IRJET- Effect of Wind on Tall StructuresIRJET Journal
1) The document discusses the effects of wind on tall structures and the complexities involved in wind loading design for such structures.
2) Simple quasi-static treatment of wind loading is too conservative for very tall buildings and does not account for important dynamic factors like resonance, damping, and cross-wind response.
3) Advanced wind loading design considers dynamic response, interference from nearby structures, wind direction asymmetry, and results from physical testing of structures.
Significance of shear wall in flat slab multi storied building - A ReviewIRJET Journal
This document summarizes research on the significance of shear walls in flat slab multi-story buildings. It begins with an abstract discussing the increased use of flat slab construction in tall buildings and how shear walls provide stability against lateral loads like wind and earthquakes. The document then reviews the theoretical background of flat slab construction and shear walls as bracing methods. It also summarizes several previous studies examining the effects of openings in shear walls, use of flat slabs in seismic zones, and different shear wall configurations. The literature review found that shear walls can effectively resist lateral loads and reduce displacement, with exterior corner placements performing best.
Study on Effect of Wind Load and Earthquake Load on Multi-storey RC Framed Bu...IJSRD
This document summarizes a study on the effects of wind and earthquake loads on multi-storey reinforced concrete framed buildings. Six different building models with varying use of shear walls were analyzed using structural analysis software to determine parameters like base shear, displacement, story drift, story forces. Results showed that models incorporating shear walls experienced reduced displacement, drift and forces compared to models without shear walls. As lateral loads like wind and earthquakes become more influential in tall building design, shear walls can effectively resist these loads and provide a more stable and economic structure.
Study of Strength of RC Shear Wall at Different Location on Multi-Storied Res...IJERA Editor
This document analyzes the strength of reinforced concrete shear walls at different locations in a multi-story residential building. It describes analyzing a 6-story building model in Hyderabad, India using ETABS software. Four models are considered: without shear walls, with L-shaped shear walls, with perimeter shear walls, and with cross-shaped shear walls. Analysis results show that perimeter shear walls most reduced maximum deflection and drift compared to other models. Shear forces in beams were highest for the perimeter wall model at the ground level and decreased with height. Bending moments in beams were highest for the perimeter wall model at the top level.
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.
Study of Wind Loads on Steel Building with and Without Different Braced Syste...IRJET Journal
This document summarizes a study analyzing the performance of a 40-story steel building under wind loads using different bracing systems in Tekla Structures software. The building was modeled without bracing and with V-bracing, X-bracing, and chevron bracing. Parameters like natural period, story drift, and displacement were compared. The results showed that the chevron bracing design provided the best structural performance with the shortest natural periods and lowest displacements and drifts. Thus, chevron bracing was the most effective at reducing a building's motion under wind loads compared to the other bracing configurations studied.
This document summarizes a study that analyzed the performance of an outrigger structural system in triple towers coupled at their centers. The study modeled a 10-story irregular steel structure located in Bengaluru, India with a 15m cantilever extending from each tower at the 7th floor to support a central hexagonal portion. The structure was analyzed using STAAD.pro software to compare the vertical and horizontal displacements of nodes at the tower ends between the outrigger system and a rigid jointed system of the same design. The results indicate that an outrigger system can effectively control excessive drift from lateral loads like wind and earthquakes, minimizing structural damage risks for high-rise buildings.
Similar to COMPARATIVE STUDY OF WIND ANALYSIS ON STRUCTURAL SHAPE WITH & WITHOUT SHEAR WALLS (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.
Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon footprint, conserve natural resources, reduce harmful emissions, and lower life cycle costs. Compared to natural aggregate (NA), RCA pavement has fewer comprehensive studies and sustainability assessments.
6th International Conference on Machine Learning & Applications (CMLA 2024)ClaraZara1
6th International Conference on Machine Learning & Applications (CMLA 2024) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of on Machine Learning & Applications.
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.
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.
International Conference on NLP, Artificial Intelligence, Machine Learning an...gerogepatton
International Conference on NLP, Artificial Intelligence, Machine Learning and Applications (NLAIM 2024) offers a premier global platform for exchanging insights and findings in the theory, methodology, and applications of NLP, Artificial Intelligence, Machine Learning, and their applications. The conference seeks substantial contributions across all key domains of NLP, Artificial Intelligence, Machine Learning, and their practical applications, aiming to foster both theoretical advancements and real-world implementations. With a focus on facilitating collaboration between researchers and practitioners from academia and industry, the conference serves as a nexus for sharing the latest developments in the field.
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.
We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...IJECEIAES
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network