TIME HISTORY ANALYSIS OF SEISMICALLY ISOLATED FIXED BASE OFFSHORE PLATFORM
Azam Khan*, Irshad Ahmad**
ABSTRACT
This paper presents an overview of the application of seismic isolation to a fixed-base offshore platform. A series of nonlinear time history analyses has been undertaken for the Platform A to assess structural integrity under Ductility Level Earthquake (DLE) design events. A full nonlinear time history analysis (including soil and foundation modelling) has been undertaken using finite element software SAFJAC for an extreme earthquake records scaled for the DLE event.
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June 2013
Vol 32 No 1 (2013)
