doi: 10.3850/S2010428614100041

Seismic Behaviour of Stiffness Irregular Building on Hill Slope

Joshua Daniel^a and Sivakamasundari^b Department of Civil Engineering, SRM University,Chennai, Tamilnadu, India ^aajoshdani@gmail.com ^bsivakamis2020@gmail.com

ABSTRACT

Due to scarcity of flat ground, buildings are constructed in the hill area with irregular structural configuration having foundation at different level. In this study the seismic weight of regular building on flat ground is equated to that of the hill building. An analytical study was performed to investigate the behaviour of building on hill slope. The dynamic response of hill building is compared with that of the respective regular building on flat ground in term of fundamental period of vibration, mode shape, cumulative modal mass participation ratio, deflected shape and base shear action induced in columns and beam of the respective building. It is observed that hill buildings have significantly different dynamic characteristics than buildings on flat ground.

Keywords: Hill building, Equal weight, Dynamic response, Spectrum compatible time history, Linear dynamic analysis.

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