IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
Fracture of a slope by percolating
Lu XB(鲁晓兵); Zhang XH(张旭辉); Hu KH; Chen XQ; Lu, XB (reprint author), Chinese Acad Sci, Inst Mech, Lab Hydraul & Ocean Engn, Beijing 100080, Peoples R China
Source PublicationGEOMECHANICS AND GEOTECHNICS: FROM MICRO TO MACRO, VOLS 1 AND 2
2011
Pages925-931
Conference NameInternational Symposium on Geomechanics and Geotechnics - From Micro to Macro
Conference DateOCT 10-12, 2010
Conference PlaceShanghai, PEOPLES R CHINA
AbstractA theoretical analysis based on a pseudo-three-phase media is presented, and the instability of a slope causing the debris flow is studied. The occurrence of fractures (or water films) in saturated soils in two cases is analyzed. The first case is that the water is forced to percolate through the soil upwards. A perturbation method is used in this case to obtain an approximate solution to explain the formation mechanism of cracks. The second case is about the cracks in liquefied soils. Numerical analysis and theoretical analysis are processed for this case. The formation of fractures in saturated grain accumulation under gravity is due to the blocking by redeposit of finer grains. The formation of fractures presents a sliding surface for landslides and debris flow.
KeywordFracture Slope Percolation Debris Flow Mechanism Liquefaction Sand
WOS IDWOS:000291373800138
DepartmentLMFS海洋土力学(LHO)
ISBN978-0-415-61295-1
URL查看原文
Indexed ByCPCI-S ; EI
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45218
Collection水动力学与海洋工程重点实验室(2009-2011)
Corresponding AuthorLu, XB (reprint author), Chinese Acad Sci, Inst Mech, Lab Hydraul & Ocean Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Lu XB,Zhang XH,Hu KH,et al. Fracture of a slope by percolating[C]GEOMECHANICS AND GEOTECHNICS: FROM MICRO TO MACRO, VOLS 1 AND 2,2011:925-931.
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