通过建立在条件概率基础上的体系可靠度公式，找出拱坝的最大可能失效模式与相应的可靠度。
Finally the possible failure mode and the corresponding reliability of the dam are obtained by the system reliability formula from the conditional probabilistic theory.
以条件概率和数值分析方法为基础，提出了一种新的结构体系可靠度点值估算方法，并通过算例说明了该法的应用。
A new point-evaluation method for structural system reliability analysis is proposed based on conditional probability and numerical analysis method.
本文主要介绍一种新的结构体系失效概率近似计算的方法——条件概率降维法。
This paper mainly introduces a new method to approximating the failure probability of structural systems and the method is defined as dimensions reduction method by conditional probability.
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