病险水工建筑物可靠性评估方法初探

Primary Study on Methods of Reliability Evaluation for Sickly Dangerous Hydraulic Structures

水工建筑物可靠性评估是水利工程管理中急需解决的问题，将水工建筑物分解为由分部工程组成的层次结构，引入子系统概率重要性系数，用层次分析法导出水工建筑物系统可靠度指标的实用计算方法。

In hydro projects, there is a problem of reliability evaluation for sickly dangerous structures which needs to be solved urgently. This paper presents a practical calculation method based on dividing a hydraulic structure into several sub strutures and introducing probability coefficients of importance for the sub structures by layer analysis method. The proposed method can give structural reliability indexes for design reference.