木塑框架结构的可靠性分析

Gui-wen YU,Dan-ting LI,Fang-chao CHENG, Ge WANG,Jing LIN

Journal of Harbin University of Commerce(Natural Sciences Edition)（2017）

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Abstract

为了分析单跨双层木塑框架结构在实际应用中的可靠性,确定其塑性铰的位置和个数,利用了失效树法确定主要失效机构,根据虚位移理论确定它们的功能函数,分别计算8个主要失效机构的可靠性指标及失效概率.运用相关性分析法确定了该结构体系失效的代表机构,通过概率性网络评价技术计算其失效概率和可靠度,该单跨双层木塑框架结构的可靠度为91%.

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Key words

wood-plastic planks,frame construction,reliability analysis

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