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Calibration analysis of reliability of steel highway bridges in China
Author(s): 
Pages: 499-506
Year: Issue:  4
Journal: Engineering Journal of Wuhan University

Keyword:  公路钢桥抗力统计参数可靠度校准;
Abstract: 对公路钢桥结构的作用和抗力进行了统计分析并基于现行公路钢桥规范对其进行了可靠度校准.通过误差分析和现场实测得出了恒载效应的概率分布和统计参数,其中分别考虑了沥青混凝土和水泥混凝土桥面铺装层自重的不同影响.抗力分析中分别就材料性能不定性、材料及构件几何尺寸不定性和结构计算模式不定性进行了计算,从而得出了我国常用的两种桥梁用钢的抗力统计参数.按照现行规范,分别考虑不同作用效应组合、不同汽车运行状态和活...
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