Comparative Studies on Seismic Analysis of Regular and Vertical Irregular Multistoried Building
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 7
Abstract
It is understood that buildings which are regular in elevation (regular building) perform much better than those which have irregularity in elevation (irregular building) under seismic loading. Irregularities are not avoidable in construction of buildings. However a detailed study to understand structural behaviour of the buildings with irregularities under seismic loading is essential for appropriate design and their better performance. The main objective of this study is to understand the effect of elevation irregularity and behaviour of 3-D R.C. Building which is subjected to earthquake load. In the present study, a 5 bays X 5 bays, 16 storied structure with provision of lift core walls and each storey height 3.2 m, having no irregularity in elevation and plan, is considered as the normal 3-D structure to compare with the irregular i.e. soft storey building. Both the regular and irregular buildings are assumed to be located in all zones. Linear dynamic analysis using Response Spectrum method of the irregular building is carried out using the standard and convenient FE software package. For this the behaviour parameters considered are 1) Maximum displacement 2) storey drift, 3) Base shear, 4) Time period
Authors and Affiliations
Nonika. N, Mrs. Gargi Danda De
Keywords
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