IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 No.9
Three-dimensional stability of landslides based on local safety factor
YANG Tao; Man-chu Ronald YEUNG; YANG Bing; LIU Yong-jiang; YANG Yan-xin
Corresponding AuthorYANG Bing
2016-09
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume13Issue:9Pages:1515-1526
Subtype期刊论文
AbstractUnlike the limit equilibrium method (LEM), with which only the global safety factor of the landslide can be calculated, a local safety factor (LSF) method is proposed to evaluate the stability of different sections of a landslide in this paper. Based on three-dimensional (3D) numerical simulation results, the local safety factor is defined as the ratio of the shear strength of the soil at an element on the slip zone to the shear stress parallel to the sliding direction at that element. The global safety factor of the landslide is defined as the weighted average of all local safety factors based on the area of the slip surface. Some example analyses show that the results computed by the LSF method agree well with those calculated by the General Limit Equilibrium (GLE) method in two-dimensional (2D) models and the distribution of the LSF in the 3D slip zone is consistent with that indicated by the observed deformation pattern of an actual landslide in China.
KeywordLandslide Stability Local Safety Factor Stability Analysis Method Slip Mechanism
DOI10.1007/s11629-016-3918-2
Indexed BySCI
Language英语
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17520
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 No.9
Recommended Citation
GB/T 7714
YANG Tao,Man-chu Ronald YEUNG,YANG Bing,et al. Three-dimensional stability of landslides based on local safety factor[J]. Journal of Mountain Science,2016,13(9):1515-1526.
APA YANG Tao,Man-chu Ronald YEUNG,YANG Bing,LIU Yong-jiang,&YANG Yan-xin.(2016).Three-dimensional stability of landslides based on local safety factor.Journal of Mountain Science,13(9),1515-1526.
MLA YANG Tao,et al."Three-dimensional stability of landslides based on local safety factor".Journal of Mountain Science 13.9(2016):1515-1526.
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