IMHE OpenIR  > 山地灾害与地表过程重点实验室
A study on water film in saturated sand
Lu, X. B.1; Cui, P.2
Corresponding AuthorLu, XB(鲁小兵)
2010
Source PublicationINTERNATIONAL JOURNAL OF SEDIMENT RESEARCH
ISSN1001-6279
Volume25Issue:3Pages:221-232
SubtypeArticle
AbstractWater film can serve as a sliding surface and cause landslides on gentle slopes. The development of "water film" in saturated sand is analyzed numerically and theoretically based on a quasi-three-phase model. It is shown that stable water films initiate and grow if the choking state (where the fluid velocity decreases to near zero) remains steady in a liquefied sand column. Discontinuity can occur in pore water velocity, grain velocity and pore pressure after the initiation of a water film. However, the discontinuity and water film can disappear once the choking state is changed. The key to the formation of water film is the choking in the sand column caused by eroded fine grains.
KeywordSaturated Sand Water Film Liquefaction
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Water Resources
Indexed BySCI
WOS Keyword90-DEGREES BEND ; FLOW-FIELD ; SPUR DIKE ; LIQUEFACTION ; MECHANISM ; LOCALIZATION ; SEDIMENT ; EROSION ; SLOPE ; SCOUR
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences ; Water Resources
WOS IDWOS:000283622000002
Funding OrganizationNational Basic Research Program of China(2008CB425802) ; Chinese Academy of Sciences(KZCX2-YW-302-02)
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5585
Collection山地灾害与地表过程重点实验室
Affiliation1.Chinese Acad Sci, Inst Mech, Lab Hydraul & Ocean Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazard & Environm, Key Lab Mt Hazard & Earth Surface Proc, Chengdu 610041, Peoples R China
Recommended Citation
GB/T 7714
Lu, X. B.,Cui, P.. A study on water film in saturated sand[J]. INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH,2010,25(3):221-232.
APA Lu, X. B.,&Cui, P..(2010).A study on water film in saturated sand.INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH,25(3),221-232.
MLA Lu, X. B.,et al."A study on water film in saturated sand".INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH 25.3(2010):221-232.
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