Pushover Analysis for Multistorey RC SMRF and OMRF
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 9
Abstract
for a long time. The poor performance of Ordinary Moment Resisting Frame (OMRF) in past earthquakes suggested special design and detailing to warrant a ductile behavior in seismic zones of high earthquake (zone III, IV & V). Thus when a large earthquake occurs, Special Moment Resisting Frame (SMRF) which is specially detailed with a response reduction factor, R = 5 is expected to have superior ductility. The response reduction factor of 5 in SMRF reduces the design base shear and in such a case these building rely greatly on their ductile performance. To ensure ductile performance, this type of frames shall be detailed in a special manner recommended by IS 1392. Special proportioning and detailing requirement results in frame capable of resisting strong earthquake shaking without significant damage. These moment resisting frame are called as “Special Moment Resisting frames”. In this study, the buildings are designed both way as SMRF and OMRF, and their performance is compared. For this the buildings are modeled and pushover analysis is performed in SAP2000.
Authors and Affiliations
Saudamini Jambhulkar, Prof L G Kalurkar
Keywords
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