Reliability analysis on design discharge of debris flow

被引:0
|
作者
Jan, CD [1 ]
Lee, MH [1 ]
Chen, JC [1 ]
机构
[1] Natl Cheng Kung Univ, Dept Hydraul & Ocean Engn, Tainan 70101, Taiwan
关键词
debris flow; design discharge; parameter uncertainty; reliability analysis;
D O I
暂无
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
Equations for debris-flow discharge contain hydro-geological and topographical parameters. Considering the uncertainties of the parameters and using the first-order second moment method (FOSM method), this paper has developed a probabilistic equation of debris-flow discharge. The sensitivity of each parameter in this equation is analyzed, and the relationship of the design debris-flow discharge with the coefficient of variation of parameters, the safety probability and the rainfall return period are also discussed.
引用
收藏
页码:1163 / 1171
页数:9
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