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《Chinese Journal of Underground Space and Engineering》 2012-01
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Dynamical Response Analysis of Rock Slopes under Earthquake Load

Li Shubing1,Su Jun2,Bi Hui2 (1.The 11th China Railway Bureau Group Co.Ltd,Wuhan 430064,China;2.Department of Civil Engineering of Hubei University of Technology,Wuhan 430068,China)  
On the basis of dynamic finite element theory,the rock slopes of Shijiazhuang-Wuhan high-speed railway are computed on dynamic response under earthquake load by ANSYS software.The amplification coefficient and change rules of displacement,acceleration of slope response and the axial force of rock bolt(anchor cable)frame beam are obtained.It is shown that the slope has an amplification effect on earthquake acceleration.The horizontal peak acceleration in the slope roof is 5.13 m.s-2and approximately 1.6 times of the input earthquake peak acceleration.The action of bolting(anchor cable)frame beam can enhance the stability of rock slope.The results would have a great reference value to aseismic design of rock slopes.
【CateGory Index】: TU45
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