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Model testing on rainfall-induced landslide of loose soil in Wenchuan earthquake region
Fang, H.1,2; Cui, P.1; Pei, L. Z.1,2; Zhou, X. J.1,2
Corresponding AuthorFang, H.
2012
Source PublicationNATURAL HAZARDS AND EARTH SYSTEM SCIENCES
ISSN1561-8633
Volume12Issue:3Pages:527-533
SubtypeArticle
AbstractThis study investigates the formation process of rainfall-induced landslide for slopes composed of loose soil in the Wenchuan earthquake region. Experimental investigations have been performed on the landslide's formation and the variation of the controlling soil parameters under various artificial rainfall conditions. The landslide triggering mechanisms can be described in the following way. Firstly, the large porosity of the loose soil facilitated the infiltration of water, which increased the pore water pressure and reduced the shear strength of the soil significantly. In addition, the rainfalls probably caused the concentration of finer particles at a certain depth of the valley slopes. This concentration within the soil increased the pore water pressure significantly, and consequently reduced both the porosity ratio and permeability. Therefore, when the pore water pressure reached a critical state, the effective shear strength of the soil diminished, inducing the landslide's formation.
KeywordScience & Technology
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.5194/nhess-12-527-2012
WOS Subject ExtendedGeology ; Meteorology & Atmospheric Sciences ; Water Resources
Indexed BySCI
WOS KeywordDEBRIS FLOWS ; PRESSURE ; LIQUEFACTION
Language英语
Quartile3区
TOP
WOS SubjectGeosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS IDWOS:000302177600001
Funding OrganizationNational Basic Research Program(973) project(2011CB409902) ; National Natural Science Foundation of China(40801009)
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Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/9905
Collection山地灾害与地表过程重点实验室
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Surface Proc, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R 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
Fang, H.,Cui, P.,Pei, L. Z.,et al. Model testing on rainfall-induced landslide of loose soil in Wenchuan earthquake region[J]. NATURAL HAZARDS AND EARTH SYSTEM SCIENCES,2012,12(3):527-533.
APA Fang, H.,Cui, P.,Pei, L. Z.,&Zhou, X. J..(2012).Model testing on rainfall-induced landslide of loose soil in Wenchuan earthquake region.NATURAL HAZARDS AND EARTH SYSTEM SCIENCES,12(3),527-533.
MLA Fang, H.,et al."Model testing on rainfall-induced landslide of loose soil in Wenchuan earthquake region".NATURAL HAZARDS AND EARTH SYSTEM SCIENCES 12.3(2012):527-533.
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