Investigating the Effect of Pounding on Seismic Response of Isolated Structures
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2012, Vol 2, Issue 6
Abstract
Some investigations have been conducted on pounding phenomenon in fixed base buildings and results showed that most sever damages are pertaining to adjacent buildings with different (unequal) heights or different structural systems [1,3]. But few investigations have been carried out for poundings of isolated buildings. In a case study about Fire Command and Control (FCC) building in Los Angeles which collided with its adjacent structure during Northridge earthquake, it was shown that peak ground acceleration in pounding direction increased from 0.22 g to 0.35 g while in other direction, in which no pounding occurred, the ground acceleration reduced from 0.18 g to 0.07 g which demonstrates good performance of seismic isolation when a pounding occurs.
Authors and Affiliations
Saeed Hedayat
Keywords
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