Evaluation of Nonlinear Static Procedures using Strong-Motion Building Records

by Rakesh Goel

Goel, Rakesh (2003). Evaluation of Nonlinear Static Procedures using Strong-Motion Building Records. SMIP03 Seminar on Utilization of Strong-Motion Data, p. 127 - 148.

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Abstract

The objective of this investigation is to evaluate the FEMA-356 Nonlinear Static Procedure (NSP) and a recently developed Modal Pushover Analysis (MPA) procedure using recorded motions of buildings that were damaged during the 1994 Northridge earthquake. It is found the FEMA-356 NSP typically underestimates the drifts in upper stories and overestimates them in lower stories. The MPA procedure provides much-improved estimates of the response compared to the FEMA-356 NSP. In particular, the MPA procedure, unlike the FEMA-356 NSP, is able to capture the effects of higher modes.