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《Journal of Dalian Nationalities University》 2009-03
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Numerical Simulation and Construction Method Comparison of Subway Tunnel Construction Mechanics

LUO Chi1,QI Tai-yue1,LIU Yi1,ZHANG Fa-zhi2(1.College of Civil Engineering,Southwest Jiaotong University,Chengdu Sichuan 610031,China;2.Enqineering Co.,Ltd of CRIG,Tangshan Hebei 063004,China)  
In combination with Guangzhou subway 6th line project,by means of finite-difference/finite-volume software FLAC3D,we stimulated the construction process of different construction projects of shallow excavated subway tunnel and analyzed the surface subsidence,the deformation of tunnel surroundings,the dome shape supporting structure by force,and the face displacement,etc.Predict and select the optimal project through the comparison of the effects of different construction projects in order to bring into play the characteristics of grab and improve the construction efficiency as a result,meanwhile,to ensure the stability of the tunnel wall,and control the deformation of surface and surroundings caused by the excavation effectively.This paper provides references for the actual construction works.
【CateGory Index】: U455.4
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