IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2017  > Vol14 No.8
Evaluation of potential surface instability using finite element methodin Kharsali Village, Yamuna Valley, Northwest Himalaya
Imlirenla JAMIR; Vikram GUPTA; Vipin KUMAR; Glenn T. THONG
Corresponding AuthorImlirenla JAMIR
2017-08
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume14Issue:8Pages:1666-1676
Subtype期刊论文
AbstractKharsali village, located in the Northwest Himalaya near the confluence of the Yamuna River and Unta Gad, is situated on a thick (>150m) paleo-landslide deposit. The village is continuously being eroded at its base by the two rivers. Cracks are noted in most houses while the ancient Shani Temple lying to the south of the village has tilted ~5° towards the northeast. Three slope sections (S-1, S-2, S-3) were modelled and analysed to determine the displacement and shear strain patterns of the slopes. Based on surface failure conditions, potential slope instability of the Kharsali village was evaluated from 2D Finite Element Method (FEM) using Shear Strain Reduction (SSR) analysis in the Phase2 software. Results indicate a critical Stress Reduction Factor (SRF) of 1.5 for the southern edge of the village (S-1) housing the Shani Temple. The development of failure surfaces at its lower portion signifies the propagating, progressive nature of the slope. The S-2 slope section is most vulnerable to slope failure, with a critical SRF of 1.08. This has been inferred by the formation of failure surfaces with displacements of 0.05-0.08 m. The S-3 section in the northern part of the Kharsali shows highest critical SRF of 2.76.The un-metalled road section in the north of the village near S-3 has developed a failure surface with displacement of 0.003-0.004 m, and a zone of subsidence. The S-3 section is relatively stable, whereas the S-2 section is the most vulnerable portion of the village.
KeywordFinite Element Method Kharsali Yamuna Valley Landslide Slope Stability Northwest Himalaya
DOI10.1007/s11629-017-4410-3
Indexed BySCI
Language英语
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18954
CollectionJournal of Mountain Science_Journal of Mountain Science-2017_Vol14 No.8
Recommended Citation
GB/T 7714
Imlirenla JAMIR,Vikram GUPTA,Vipin KUMAR,et al. Evaluation of potential surface instability using finite element methodin Kharsali Village, Yamuna Valley, Northwest Himalaya[J]. Journal of Mountain Science,2017,14(8):1666-1676.
APA Imlirenla JAMIR,Vikram GUPTA,Vipin KUMAR,&Glenn T. THONG.(2017).Evaluation of potential surface instability using finite element methodin Kharsali Village, Yamuna Valley, Northwest Himalaya.Journal of Mountain Science,14(8),1666-1676.
MLA Imlirenla JAMIR,et al."Evaluation of potential surface instability using finite element methodin Kharsali Village, Yamuna Valley, Northwest Himalaya".Journal of Mountain Science 14.8(2017):1666-1676.
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