Significant Failure Mode Identification and Structural Reliability Analysis for a CFST Arch Bridge System

摘要：

　　Identification the subset of significant failure modes is the most important part of system reliability esti mation.In this paper, a stage critical strength branch and bound algorithm is proposed for the failure mode identification of bridge systems.The innovative method is implemented in the combination with the finite ele ment package ANSYS and the MATLAB procedure.The suggest method is applied to a concrete filled steel tubular (CFST) arch bridges.The results reveal various combinations of the failure modes in significantly reduced time and efforts in comparison to the previous permutation method.Based on the expressions of all the significant failure modes, the reliability index of each failure mode is calculated by FORM method.Fi nally, the reliability index of the bridge system is calculated by PNET method.

作者: Xin Gao Lei Wang

作者单位: College of construction engineering, Jilin University, Jilin, China

会议类型: 国际会议

会议名称: The 5th International Symposium on Innovation & Sustainability of Structures in Civil Engineering (ISISS2013)(第五届创新和可持续发展土木工程结构国际学术研讨会)

会议地点: 哈尔滨

会议语种:英文

页码: 828-834

在线出版日期: 2013-07-06（万方平台首次上网日期，不代表论文的发表时间）