Govind, M and Shetty, Kiran Kumar and Hegde, Anil K (2014) Seismic evaluation of high rise regular and irregular structure using pushover analysis. Journal of Mechanical and Civil Engineering (IOSR-JMCE). pp. 14-19. ISSN 2278-1684

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Abstract

The behaviour of the building during earthquakes depends critically on its overall shape, size and geometry. Buildings with simple geometry in plan have performed well, during the past strong earthquakes. But buildings with H shape in plan, have sustained significant damages. So the proposed project attempts to evaluate the effect of plan irregularity on the response of the structure. In the present study, the behaviour of G+20 storied R.C frame buildings (Rectangular and H shape in plan, having same plan area) subjected to earthquake, located in seismic zone III is discussed briefly using ETABS software. Gravity loads and laterals loads as per IS 1893-2002 are applied on the structure and it is designed using IS 456. Displacement control pushover analysis is carried out.

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