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《Chinese Journal of Underground Space and Engineering》 2007-02
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Simulation of Stage Excavation and Evaluation of the Slope Stability

JIANG Xue-liang1,2,CAO Ping1(1.School of Resource and Safety Engineering,Central South University,Changsha 410083,China;2.School of Civil Engineering,Hunan City University,Yiyang 413000,China)  
The simulation of stage excavation for the high slope of ChangZhang highway is carried out by using two-dimensional elastoplastic finite element method with consideration of the influence of blasting and rock joint.The rock mass deformation,stresses and yielding state in the excavation process are analyzed respectively.The integral safety of the high slope is discussed by using the method of lowering the material's strength safety factor and in light of the yielding rate of the slope's rock mass element and variation of displacements of the key parts.After the research of important slope K123, a conclusion can be drawn that the slopes would be stable in construction process.
【CateGory Index】: U416.14
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