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基于能力谱的概率-非概率结构体系抗震可靠度

, PP. 43-48

Keywords: 能力谱方法,不确定性,凸集模型,非概率抗震可靠度

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Abstract:

本文用概率模型考虑结构体系抗力不确定性的主要影响因素,用凸集模型考虑地震作用的不确定性,采用能力谱方法,分别求得了结构抗力的概率分布参数及地震作用效应的区间范围,通过二级功能方程方法求得了结构体系抗震可靠度。算例给出了本文方法的计算结果,并与经典概率可靠度进行了对比,表明本文方法是一种简便、合理的结构体系抗震可靠性分析方法。

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