Fragility of Low-Rise Moment Resisting Steel Frame Building Subjected To Crustal and Subduction Earthquakes

Abstract eng:
Performance-based earthquake engineering (PBEE) requires accurate estimation of the seismic demand on structures. Implementation of PBEE in quantitative evaluation of the performance of a given building is denoted here as PerformanceBased Assessment (PBA). The methods used to tackle this task are incremental dynamic analysis (IDA), fragility analysis, and collapse safety verification where both epistemic and aleatoric uncertainties were considered. The purpose of this study was to investigate the performance of low-rise steel moment resisting frame (MRF) office building located in Vancouver, B.C., Canada under earthquake shaking, to identify the maximum interstorey drift and residual interstorey drift, as well as, to derive fragility curves for life safety (LS) and collapse prevention (CP) performance levels. In addition, the proposed equation for predictive maximum residual interstorey drift provided in FEMA P 58-1 (2012) was verified. It is noted that steel moment resisting frame buildings undergoing residual interstorey drift larger than

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