Abstract
Nowadays high rise building is a new trend in India because day by day population increase and it’s a problem to accommodate large number of people in small place. To resolve this problem only one option is good which is vertical growth of building. Due to architectural purpose some building’s plan like L, C, E and + etc. cause plan irregularities and in elevation like vertical set-back type building cause vertical irregularities. These kind of shapes are creating problem for structural engineers because it demands serious damage in earthquake. In this study the main objective is to understand demand of lateral load on different plan aspect ratio and with varying heights of 18, 33 and 48meter. Modelling of varying heights OF 18, 33 and 48 meter R.C.C. framed building is done on the ETABS software for analysis. Post analysis of the structure, Centre of mass, Centre of resistance of building, maximum storey displacement, storey drift and base shear are computed and then compared for all the analyzed cases.
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