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Probabilistic & non-probabilistic hybrid seismic reliability of structure system based on capacity spectrum method

LI Hao,WANG Wen,YI Weijian(College of Civil Engineering,Hunan University,Changsha 410082,China)  
In this paper,based on capacity spectrum method,the probability distribution parameters of structural resistance and the intervals of earthquake effects are calculated with the structural resistance uncertainty quantified by probability model and the earthquake effects uncertainty quantified by convex model.Then,the earthquake-resistant system reliability is calculated by two-stage functional equation methods.A numerical example results show that,compared with the results from the classic probabilistic reliability,the proposed method is a simple,reasonable structural reliability analysis method.
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