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《Chinese Journal of Underground Space and Engineering》 2012-03
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The Statistical Analysis Technique Research on Probability Distribution of Geotechnical parameters of One Landslide

Li Hongying,Tan Yuehu,Zhao Hui(PLA University of Science and Technology,Nanjing 210007,China)  
In order to provide geotechnical parameters probability distribution types of landslide for the dam selection of Ka-La hydroelectric station,and to solve the problem of difficult determination of the conditions of small sample probability distribution of geotechnical parameters.The parameters of the probability distribution types and parameters analysis are determined by testing survey data and analogy analysis of engineering.Taking this as prior-distribution,and a Bayes method is used to promote the statistical accuracy of geotechnical parameters.The geotechnical parameters of "Shangtian" landslide as example are optimized.The calculated results indicate that the optimized variance and coefficient of variation are smaller leading to enhancing the reliability of landshide protection.Therefore the object of optimizing have been realized.
【CateGory Index】: TV221.2;P642.22
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