| 边坡可靠性的三维分析 |
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| 引用本文： | 王飞,王媛,张桂芳.边坡可靠性的三维分析[J].三峡大学学报(自然科学版),2009,31(4):61-64. |
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| 作者姓名： | 王飞 王媛 张桂芳 |
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| 作者单位： | 1. 河海大学,岩土力学与堤坝工程教育部重点实验室,南京,210098;河海大学,岩土工程科学研究所,南京,210098
2. 北京市大兴区水务局,北京,102600 |
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| 基金项目： | 973国家重点基础研究发展计划"复杂条件下坝堤溃决机理与风险调控理论"之课题二"堤防溃决水-土耦合动力学机理" |
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| 摘 要： | 在边坡稳定分析中，考虑滑体的三维效应进行三维极限平衡分析更合理．结合边坡稳定的扩展三维极限平衡法，并考虑岩土参数的随机性，进行了三维边坡稳定可靠性分析，将三维可靠性分析结果和二维可靠性分析结果进行了比较．同时，分别基于二维方法和三维方法进行了边坡失稳破坏概率对于强度参数变异性的敏感性分析；对于岩土体参数可能服从不同概率分布的情况分别进行了可靠性分析，得出了有益的结论．
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| 关 键 词： | 三维极限平衡法 可靠性分析 敏感性分析 Monte-Carlo法 |
Three-dimensional Reliability Analysis of Slope Stability |
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| Wang Fei,Wang Yuan,Zhang Guifang.Three-dimensional Reliability Analysis of Slope Stability[J].Journal of China Three Gorges University(Natural Sciences),2009,31(4):61-64. |
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| Authors: | Wang Fei Wang Yuan Zhang Guifang |
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| Institution: | Wang Fei,Wang Yuan, Zhang Guifang (1. Key Laboratory of Ministry of Education for Geomechanics ＆ Embankment Engineering, Hohai Univ. , Nanjing 210098, China; 2. Geotechnical Research Institute, Hohai Univ. , Nanjing 210098, China; 3. Beijing Daxing Water Resources Bureau, Beijing 102600, China) |
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| Abstract: | In slope stability analysis, it is more reasonable to use three-dimensional limit equilibrium method as the sliding mass usually appears three-dimensional characteristics. Therefore, the three-dimensional reliability analysis of slope stability is made by considering the randomness of parameters and the three-dimensional characteristics; and the two-dimensional reliability analysis is made for comparison. Then, the sensibility analysis of slope failure probability to variation of strength parameters and the reliability analysis when the parameters obey different probability distributions are made; some useful conclusions are drawn. |
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| Keywords: | three-dimensional limit equilibrium method reliability analysis sensibility analysis Monte Carlo simulation |
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