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Sensitivity analysis on parameters of soil slope based on multivariate orthogonal experiment
Author(s): 
Pages: 85-88
Year: Issue:  4
Journal: Journal of Guizhou Normal University(Natural Sciences)

Keyword:  orthogonal designsensitivity analysissafety factorinfluence factorssoil slope;
Abstract: 边坡的变形破坏通常是由多种因素复合作用形成的.为了研究各种因素对土坡稳定性的影响,研究以具体的工程实例为依托,采用有限元强度折减法计算土坡稳定安全系数并将正交试验设计运用到对影响土坡稳定性的多因素敏感性分析中.用极差和趋势分析法对各因素敏感度进行量化评价,找出影响土坡稳定性的主导因数和次要因素,对工程建设中边坡防治和加固方案的选择具有一定的指导意义.
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