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《Journal of Water Resources and Architectural Engineering》 2007-01
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Study on Criteria for Evaluating Stability of Slope with FEM Based on Shear Strength Reduction Methods

LI Hong,GONG Bi-ning,CHEN Yan(College of water Conservancy and Hydropower Engineering,Hohai University,Nanjing,Jiangsu 210098,China)  
How to judge the slope's state with FEM based on shear strength reduction methods,stability or instability based on the results of FEM is a key problem.There are three main criteria for evaluating instability: the convergence of equation's solution,the abruptness of the displacement or deformation at a certain characteristic location and the connectivity of plastic zone.In order to examine the reasonability and applicability of these criteria,in the presence of FEM software ADINA,two example slopes are analyzed by using three instability criteria,and the computed results are compared with the solution of Spencer's procedure of limit equilibrium.And then the applicability,consistency and the condition of the application of these criteria are studied.
【CateGory Index】: TU43
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