Time-variant reliability analysis considering parameter uncertainties

被引：4
作者：
Zhao, Yan-Gang [1 ]
Lu, Zhao-Hui [2 ]
Zhong, Weiqiu [3 ]
机构：
[1] Kanagawa Univ, Dept Architecture, Yokohama, Kanagawa 2218686, Japan
[2] Cent S Univ, Sch Civil Engn, Changsha 410075, Hunan, Peoples R China
[3] Dalian Univ Technol, Sch Civil Engn, Dalian 116024, Peoples R China
来源：
STRUCTURE AND INFRASTRUCTURE ENGINEERING | 2014年 / 10卷 / 10期
基金：
中国国家自然科学基金;
关键词：
reliability assessment; time-variant reliability; parameter uncertainty; moment method; STRUCTURAL RELIABILITY; SAFETY;
D O I：
10.1080/15732479.2013.791329
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
It has been realised that the effect of system parameter uncertainties may be very important, even dominant, in time-variant structural reliability. In this study, currently available methods are reviewed, and general performance functions corresponding to dynamic reliability analysis considering parameter uncertainties are investigated. A moment method for time-variant reliability analysis considering parameter uncertainties is developed, and its application is demonstrated through reliability assessment of a prestressed concrete containment. Point estimation is applied to evaluate the first few moments of the general performance function of a structure, from which the moment-based reliability index based on the fourth moment standardisation function can be evaluated without Monte Carlo simulations. The procedure does not require the computation of derivatives or the determination of the design point; thus, it should be computationally effective for time-variant structural reliability assessment.
引用
收藏
页码：1276 / 1284
页数：9
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