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《Geological Science and Technology Information》 2015-04
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Geotechnical Slope Stability Analysis and the Design of Anti-Slide Pile Based on Strength Reduction FEM

Xian Yujian;Chen Xuejun;Wang Zhigang;Zhao Zhiyong;Geological Exploration Technology Institute of Jiangsu Province;Guilin University of Technology;  
This article,based on strength reduction FEM,combined with the ANSYS software with strength reduction analysis function,treats rainstorm condition as the most disadvantaged control condition,and uses the Drucker-Prage associated flow rule under plane strain condition(DP4)and the comprehensive criterion of instability and failure of slope,and takes on the strength reduction simulation for the natural state of high cutting slope and the reinforcement state of cutting slope respectively in Sangjiangbei district,Longsheng.This paper has obtained each state′s the most dangerous sliding surface location,shape and the strength reserve safety factor of slope in the critical state.Through the continuum model of pile-soil interaction and the path operations function of ANSYS software,the article has got the design thrust of landslide and the internal force and distribution of anti-slide pile in the critical state.When compared the analysis results with the traditional limit equilibrium method,we find that the difference is small and this method is more fitted with the actual situation of slope.The comprehensive analysis shows that the method is a feasible and effective new way in terms of geotechnical landslide disaster prevention,and it has own special advantages and broad development prospects.
【Fund】: 国家自然科学基金项目(41262011);; 广西重点实验室基金项目(11-CX-01);; 桂科能基金项目(11-KF-02;12-A-01-02)
【CateGory Index】: TU43
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【Citations】
Chinese Journal Full-text Database 3 Hits
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【Co-citations】
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