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《Chinese Journal of Underground Space and Engineering》 2009-02
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Numerical Analysis on High Fill Slope of Fenjie East Overpass in Yunyang-Fenjie Expressway

LI Zhong-you1,DENG Yong2,JI Qiu-lin2,LI Xin-zhen3,HU Bai-wan3(1.Department of Architecture and Civil Engineering,Logistical Engineering University,Chongqing 400041,China;2.Chongqing Second Municipal Engineering Co.,Ltd.Chongqing 400030,China;3.Chongqing Communication Planning and Prospecting Design Institute,Chongqing 400067,China)  
By means of three dimensional finite element numerical simulation,the safety evaluations of high fill slope and its retaining structure of Fenjie east overpass in expressway from Yunyang to Fenjie are carried out.The safety factor is obtained by strength reduction finite element method,and the calculation results for stress,displacement and internal force of retaining structure under different safety factor are obtaind.Based on the knowledge of material mechanics,a simple method to calculate the internal force by the three dimensional finite element is obtained.The calculated results indicate that the slope and the entire retaining structure are steady,but part of them have the problems of excess load and displacement,then,the corresponding countermeasure is given.
【CateGory Index】: U416.14
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