hydrological failure risk 水文失事风险
Designed flood of reservoir is a typical flooding process under given engineering safety standard. The frequency of designed flood is regarded as hydrological risk.
水库设计洪水就是在给定工程安全标准情况下某个典型洪水过程，设计洪水的频率特征表现的就是其水文风险。
Considering the potential failure modes in levee engineering, the mathematical models of hydrological failure risk and slope slide instability risk for levees are improved.
基于堤防工程可能的失效模式，修正了水文失事风险率和边坡滑动失稳风险率计算模型。
Based on the flood level frequency curve, hydrological failure risk was divided into flood overflowing risk and flood overtopping risk.
基于推求的洪水位频率曲线，将堤防水文失事风险分为洪水漫溢风险和洪水漫顶风险。
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