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Optimum position of outrigger-belt system in a high-rise RCC building through pushover analysis

Optimum position of outrigger-belt system in a high-rise RCC building through pushover analysis This study aims to investigate the behaviour of high-rise RCC buildings with core and outrigger-belt system, and to find the optimum position for the outrigger-belt system in that building. For this purpose, Pushover Analysis is used to capture the seismic response for the buildings of 10, 15, 20, 25, and 30 storeys with varying positions outrigger-belt system. Pushover analysis is a static procedure which uses a simplified nonlinear technique to calculate seismic structural deformations. The position of outrigger-belt arrangement changes from the first storey to top storey of the 3D building models, which gives the data regarding the behaviour of the building models with the change in position of that arrangement throughout its height. The analysis of these building models is performed in two different directions using two different load patterns in each direction. The results depict the optimum positions of the outrigger-belt system depending on lateral load patterns, the direction of loading, and the height of a building. It also shows how the optimum position of an outrigger-belt system can affect the performance of the buildings, which is measured in terms of roof displacement, storey shear, the fundamental period of vibration, base shear, and performance point of the buildings. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Asian Journal of Civil Engineering" Springer Journals

Optimum position of outrigger-belt system in a high-rise RCC building through pushover analysis

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Publisher
Springer Journals
Copyright
Copyright © Springer Nature Switzerland AG 2020
ISSN
1563-0854
eISSN
2522-011X
DOI
10.1007/s42107-020-00313-4
Publisher site
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Abstract

This study aims to investigate the behaviour of high-rise RCC buildings with core and outrigger-belt system, and to find the optimum position for the outrigger-belt system in that building. For this purpose, Pushover Analysis is used to capture the seismic response for the buildings of 10, 15, 20, 25, and 30 storeys with varying positions outrigger-belt system. Pushover analysis is a static procedure which uses a simplified nonlinear technique to calculate seismic structural deformations. The position of outrigger-belt arrangement changes from the first storey to top storey of the 3D building models, which gives the data regarding the behaviour of the building models with the change in position of that arrangement throughout its height. The analysis of these building models is performed in two different directions using two different load patterns in each direction. The results depict the optimum positions of the outrigger-belt system depending on lateral load patterns, the direction of loading, and the height of a building. It also shows how the optimum position of an outrigger-belt system can affect the performance of the buildings, which is measured in terms of roof displacement, storey shear, the fundamental period of vibration, base shear, and performance point of the buildings.

Journal

"Asian Journal of Civil Engineering" – Springer Journals

Published: Nov 2, 2020

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