Investigation of pushover analysis procedures for reliability-based and performance

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Investigation of pushover analysis procedures for reliability-based and performance-based seismic design with applications to asymmetric building structures

Author: Chen, Po-Tuan | Size: 3 MB | Format: PDF | Quality: Scanner | Year: 1999 | pages: 192 | ISBN: 9780599633810

In 1995, a framework for a reliability-based, performance-based seismic design procedure was proposed by Collins. The basic idea behind the procedure was to develop an equivalent single-degree-of-freedom (SDOF) model of the structure and then to use this model and uniform hazard spectra to predict maximum displacements and drifts in the multi-degree-of-freedom (MDOF) structure. Deterministic design-checking equations based on the equivalent SDOF system were developed,and design factors (analogous to load and resistance factors) were calibrated and used in design-checking equations to account for the uncertainty in the equivalent SDOF model, the seismic environment, and site soil conditions. The parameters of the SDOF model were obtained using information from two-dimensional static pushover analyses of the lateral force resisting systems of the structure.

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