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《Journal of Engineering Geology》 2008-05
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3DEC STABILITY ANALYSIS OF HIGH AND STEEP ROCK SLOPE

BAI Yongjian HUANG Runqiu JU Nengpan ZHAO Jianjun HUO Yuxiang(State Key Laboratory of Geohazard Prevention and Geo-Environment Protection,Chengdu University of Technology,Chengdu 610059)  
The geological condition of a high and steep slope is complex.Its weak structural planes well develop.The excavated height and ratio are high.The excavated faces are many for the sake of the space of the deformation.There are many failure evidences at the slope.On the basis of geological condition investigation,the rock mass structure and the affected factors of the slope are studied.It indicates that the deformation of the slope is controlled by weak structural planes in weathered and off-loaded rock mass.The deformation and failure mode is block failure by combination relations of structural planes.The future deformation characters are simulated with 3DEC.The monitored data shows that the stability of the superficial and the manipulative block is low.The whole slope could fail.
【CateGory Index】: TU457
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