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Preliminary Study of the Movable Solid Materials on Straight Flat Slope under Hydrodynamic Condition
Yang, Shun1,2; Pan, Huali1; Wang, Jun1,2; Lu, Guihong1,2; Ou, Guoqiang1
通讯作者Ou, Guoqiang
2013-10-01
发表期刊DISASTER ADVANCES
ISSN0974-262X
卷号6期号:S4页码:231-239
文章类型Article
摘要Hydrodynamic condition as saturated seepage flow is one of the most important factors to cause instability of slope mass in the mountain area. On considering the movable characteristics problem of straight slope mass under different seepage discharge, the paper firstly built the movable seepage model of straight slope, then analyzed the hydraulic effect of slope body and taken mechanical analysis to get the mechanical formulas, last dissected the movable variation of straight slope under different seepage discharge by applying hydraulics theory and limit equilibrium method. Further, to check the formulas, the paper take meizoseismal area-Guojuanyan gully which locates at Dujiangyan as an example, analyzed the heights of seepage flow change with seepage discharge, the hydraulic characteristics of the inner slope and the movable variation of straight, slope under seepage discharge. Results indicate that the failure and movement of straight slope is due to increasing of the seepage discharge which deteriorates the hydro-environment abruptly, moreover, seepage force come from water head difference promotes the possibility of straight slope to fail which provided a favorable condition for the mixture of seepage water and sediment to transfer to debris flow.
关键词Movable Solid Materials Straight Flat Slope Hydrodynamic Condition Mechanical Analysis Guojuanyan Gully
WOS标题词Science & Technology ; Physical Sciences
研究领域[WOS]Geology ; Meteorology & Atmospheric Sciences ; Water Resources
收录类别SCI
关键词[WOS]DEBRIS FLOW ; DISASTER
语种英语
WOS类目Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS记录号WOS:000325056000027
项目资助者Western Light of Educational Scheme Program, CAS ; Ministry of Water Resources Welfare Industry Funding for Research and Special Project Funding(201301058)
引用统计
文献类型期刊论文
条目标识符http://ir.imde.ac.cn/handle/131551/6552
专题山地灾害与地表过程重点实验室
作者单位1.Chinese Acad Sci, Inst Mt Hazards & Enviromn, Key Lab Mt & Earth Surface Proc, Chengdu 610041, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Yang, Shun,Pan, Huali,Wang, Jun,et al. Preliminary Study of the Movable Solid Materials on Straight Flat Slope under Hydrodynamic Condition[J]. DISASTER ADVANCES,2013,6(S4):231-239.
APA Yang, Shun,Pan, Huali,Wang, Jun,Lu, Guihong,&Ou, Guoqiang.(2013).Preliminary Study of the Movable Solid Materials on Straight Flat Slope under Hydrodynamic Condition.DISASTER ADVANCES,6(S4),231-239.
MLA Yang, Shun,et al."Preliminary Study of the Movable Solid Materials on Straight Flat Slope under Hydrodynamic Condition".DISASTER ADVANCES 6.S4(2013):231-239.
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