Lateral loads such as earthquake and wind loads play a governing role in the design of high-rise buildings. Consequently, providing adequate lateral rigidity against such loads in high-rise buildings is a major concern for structural engineers. A shear wall is one of the vertical elements which are used in buildings to fulfil lateral rigidity requirements. But its location and arrangement should be proper to effectively resist lateral loads, so this study aims to find out the response of high-rise buildings with shear walls subjected to lateral loads.In the present study, various high-rise rectangular building models with and without shear walls have been analysed for seismic and wind loads in finite element based ETABS software. Seismic loads have been calculated according to the equivalent static method given in IS Code 1893 (Part-1): 2016 and wind loads have been calculated according to IS Code 875 (Part-3): 2015. Results of storey displacements and storey drifts have been extracted, considering four load combinations according to the Indian Standard Code.It has been found that shear walls situated at the centre in the form of a core perform effectively against lateral loads. Displacement at the top of such a building is approximately 2.5 times less than the top story displacement of a building without a shear wall. Shear walls located at corners are the least effective.The study focused only on symmetrical building shapes, and lateral loads were calculated using the equivalent static method.The high-rise building includes both framed systems and shear walls. The shear walls are distributed in such a way that the floor plan length of walls is the same in all the buildings, so results are affected by the arrangement and location of walls only.
Lateral loads such as earthquake and wind loads play a governing role in the design of high-rise buildings. Consequently, the vital work in the lives of structural engineers is to minimise damage to the structure and its structural components during an earthquake by proper design. A shear wall is one of the vertical elements that fulfils the above function by providing enough lateral rigidity if it is located and arranged effectively. As a result, the purpose of the study is to determine the response of various high-rise buildings with different shear wall arrangements when subjected to seismic loads. A total of nine G+30-storey models have been made using finite element-based ETABS Software. All the models have shear walls distributed in such a way that the floor plan length of the walls is the same in all buildings, so the results are influenced solely by the arrangement and location of the walls. Seismic loads were applied using the response spectrum method, which complied with Indian codal provisions. The results of storey displacements, storey drifts, and story shear were extracted. The shear walls arranged in the form of a core at the centre of the building have been the most effective. It shows a 1.8 times greater decrement in top-storey displacement compared to the model without shear walls. The building with an irregular arrangement of shear walls at the corner is the least effective in resisting earthquakes.
Lateral loads such as earthquake and wind loads play a governing role in the design of high-rise buildings. Consequently, the vital work in the lives of structural engineers is to minimise damage to the structure and its structural components during an earthquake by proper design. A shear wall is one of the vertical elements that fulfils the above function by providing enough lateral rigidity if it is located and arranged effectively. As a result, the purpose of the study is to determine the response of various high-rise buildings with different shear wall arrangements when subjected to seismic loads. A total of nine G + 30-storey models have been made using finite element-based ETABS Software. All the models have shear walls distributed in such a way that the floor plan length of the walls is the same in all buildings, so the results are influenced solely by the arrangement and location of the walls. Seismic loads were applied using the response spectrum method, which complied with Indian codal provisions. The results of storey displacements, storey drifts, and story shear were extracted. The shear walls arranged in the form of a core at the centre of the building have been the most effective. It shows a 1.8 times greater decrement in top-storey displacement compared to the model without shear walls. The building with an irregular arrangement of shear walls at the corner is the least effective in resisting earthquakes.
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