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Title:
Effect of Rock Mass Structure and Block Size on the Slope Stability-Physical Modeling and Discrete Element Simulation
Author: Li SH(李世海); Lian ZZ(练振中); Wang JG(王建国)
Source: Science in China Series E-Engineering & Materials Science
Issued Date: 2005
Volume: 48, Issue:suppl., Pages:1-17
Abstract: This paper studies the stability of jointed rock slopes by using our improved three-dimensional discrete element methods (DEM) and physical modeling. Results show that the DEM can simulate all failure modes of rock slopes with different joint configurations. The stress in each rock block is not homogeneous and blocks rotate in failure development. Failure modes depend on the configuration of joints. Toppling failure is observed for the slope with straight joints and sliding failure is observed for the slope with staged joints. The DEM results are also compared with those of limit equilibrium method (LEM). Without considering the joints in rock masses, the LEM predicts much higher factor of safety than physical modeling and DEM. The failure mode and factor of safety predicted by the DEM are in good agreement with laboratory tests for any jointed rock slope.
Language: 英语
Indexed Type: SCI
DOI: 10.1360/04zze1
DOC Type: Article
WOS Subject: Engineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS Subject Extended: Engineering ; Materials Science
WOS ID: WOS:000234924800001
ISSN: 1006-9321
Subject: 力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/16079
Appears in Collections:力学所知识产出(1956-2008)_期刊论文

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Recommended Citation:
Li SH,Lian ZZ,Wang JG. Effect of Rock Mass Structure and Block Size on the Slope Stability-Physical Modeling and Discrete Element Simulation[J]. Science in China Series E-Engineering & Materials Science,2005-01-01,48(suppl.):1-17.
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