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Numerical Limit Equilibrium Method of Three-Dimensional Stability for
Wei Zhong1,2; Xiaoqing Chen1,2; Tao Yang3
Corresponding AuthorWei Zhong
2011
Source PublicationAdvanced Materials Research
ISSN1022-6680
Volume250-253Pages:3927-3933
Abstract

The three-dimensional model of slop in numerical calculation is established. And high precision eight-node hexahedron element is used to build the finite element grid of slip layer. The slip layer material is simulated by an ideal elastic-plastic model based on the Mohr-Coulomb Criterion. Three-dimensional stress state and slide direction of the slip layer zone is obtained by numerical computation. So, based on the analysis of the three-dimensional stress state of the slip layer zone, in this article, the author defines the point safety factor as the ratio of the shear strength of the slip zone to the shear stress parallel to the sliding direction, and defines the safety factor of the landslide as the average of the zone point safety factor with its zone as weight number. The sliding mechanism is studied through zone point safety factor, and stability of landslide can be evaluated through the safety factor. Sample case shows that the calculated result is in accordance with the actual case.

 

KeywordLandslide Numerical Limit Equilibrium Method Point Safety Factor Sliding Mechanism
DOI10.4028/www.scientific.net/AMR.250-253.3927
Indexed ByEI
Language英语
Accession numberAccession number:20112314040551
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18239
Collection山地灾害与地表过程重点实验室
Affiliation1.Key Laboratory of Mountain Hazards and Surface Process, Chinese Academy of Sciences,
2.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Cheng du, China
3.Geotechnical Eng. Dep. of Southwest Jiaotong University, Chengdu 610031, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Wei Zhong,Xiaoqing Chen,Tao Yang. Numerical Limit Equilibrium Method of Three-Dimensional Stability for[J]. Advanced Materials Research,2011,250-253:3927-3933.
APA Wei Zhong,Xiaoqing Chen,&Tao Yang.(2011).Numerical Limit Equilibrium Method of Three-Dimensional Stability for.Advanced Materials Research,250-253,3927-3933.
MLA Wei Zhong,et al."Numerical Limit Equilibrium Method of Three-Dimensional Stability for".Advanced Materials Research 250-253(2011):3927-3933.
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