Using spatial reliability in the probabilistic study of concrete structures: The example of a reinforced concrete beam subjected to carbonatation inducing corrosion

G. Defaux, M. Pendola, B. Sudret
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引用次数: 7

Abstract

Several methods, simple or more sophisticated, are tested to determine useful information for reliability problems involving spatial variability. The methods are developed around a simple example of a reinforced concrete beam subjected to carbonation inducing corrosion. A point-in-space reliability analysis is conducted to estimate a first indicator on the length to be replaced. Then, random field are introduced and are taken into account in the reliability problem using simulations methods to determine the empirical cumulative density function (CDF) of the length to be repaired and its moments. Finally, analytical formulations are used to estimate the same moments but with small computational effort.
空间可靠度在混凝土结构概率研究中的应用:以碳化诱发腐蚀的钢筋混凝土梁为例
测试了几种简单或更复杂的方法,以确定涉及空间变异性的可靠性问题的有用信息。这些方法是围绕一个钢筋混凝土梁受碳化诱发腐蚀的简单例子而发展起来的。进行了空间点可靠性分析,以估计待更换长度的第一指标。然后,引入随机场,利用仿真方法将随机场纳入可靠性问题,确定待修长度的经验累积密度函数(CDF)及其弯矩。最后,用解析公式估计相同的矩,但计算量小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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