Strength reduction and step-loading finite element approaches in geotechnical engineering

查看全文 作　　者：Yingren [1,2]Zheng;Xiaosong [1,2]Tang;Shangyi [1,2]Zhao;Chujian [1,2]Deng;Wenjie [3]Lei

机构地区：[1]Department of Ctvd Engmeering, Logistwal Engineering University, Chongqing, 400041, China;[2]Chongqing Engmeermg and Technology Research Center of Geological Hazard Prevention and Treatment, Chongqing, 400041, China;[3]Sehoo of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo, 454000, China

出　　处：《Journal of Rock Mechanics and Geotechnical Engineering》索引2009年第1卷第1期,共10页

基　　金：Supported by the National Natural Science Foundation of China (40318002) 摘　　要：The finite element limit analysis method has the advantages of both numerical and traditional limit equilibrium techniques and it is particularly useful to geotechnical engineering.This method has been developed in China,following well-accepted international procedures,to enhance understanding of stability issues in a number of geotechnical settings.Great advancements have been made in basic theory,the improvement of computational precision,and the broadening of practical applications.This paper presents the results of research on(1) the efficient design of embedded anti-slide piles,(2) the stability analysis of reservoir slopes with strength reduction theory,and(3) the determination of the ultimate bearing capacity of foundations using step-loading FEM(overloading).These three applications are evidence of the design improvements and benefits made possible in geotechnical engineering by finite element modeling. 关键词：有限元方法岩土工程加载边坡稳定性分析强度应用程序地基承载力有限元建模

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Strength reduction and step-loading finite element approaches in geotechnical engineering

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