IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2011  > Vol8 No.2
Mechanical analysis for progressive failure of debris landslide
Miao Haibo; Yin Kunlong; Li Deying
Corresponding AuthorMiao, HB
2011-04
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume8Issue:2Pages:328–335
AbstractIt is of significance to research failure mechanism of debris landslides that are widespread in the Three Gorges Reservoir Area. Based on the statistical analysis of the developmental law and failure mode of debris landslides in the Three Gorges Reservoir, the mode of progressive failure is found. The mechanical model for progressive failure of debris landslides with two slip bands is also established by applying slice method. According to the results of the downslide force between adjacent slices, if the downslide force of lower slice is larger than zero, the slice fails along the major sliding surface, otherwise it is stable. In result, the failure range is obtained. The stress function can be determined through dimensional analysis of failure slice. According to static boundary conditions of the slice, stress state of any point in the slice can be obtained. Then stress state of any point in the secondary slip band can also be established. The failure of the secondary slip band is judged on the basis of Mohr-Coulomb failure criterion. Therefore, a mechanical method is proposed to analyze the progressive failure of debris landslide with two slip bands.
KeywordDebris Landslide Progressive Failure Mechanical Model
Language英语
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5839
CollectionJournal of Mountain Science_Journal of Mountain Science-2011_Vol8 No.2
Recommended Citation
GB/T 7714
Miao Haibo,Yin Kunlong,Li Deying. Mechanical analysis for progressive failure of debris landslide[J]. JOURNAL OF MOUNTAIN SCIENCE,2011,8(2):328–335.
APA Miao Haibo,Yin Kunlong,&Li Deying.(2011).Mechanical analysis for progressive failure of debris landslide.JOURNAL OF MOUNTAIN SCIENCE,8(2),328–335.
MLA Miao Haibo,et al."Mechanical analysis for progressive failure of debris landslide".JOURNAL OF MOUNTAIN SCIENCE 8.2(2011):328–335.
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