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Numerical Analysis on Design Programme of Running Tunnel in Guang Fang Lian Section Between the Peoples'Park and Zhng Shan Memorial Hall of Guangzhou Metro

Zhou Xiaojun Gao Bo Qiu Wenge Zhou Jiamei (College of Civil Engineering,Southwest Jiaotong University,Chengdu,610031)  
On the basis of primary design programme of running tunnel in Guang Fang Lian section between the peoples' park and Zhong Shan Memorial Hall of No2 lane of Guangzhou Metro,the FEM simulation on shotcrete stake structure which maintain the running tunnel through Guang Fang Lian section has been carried out.The comparison and analysis of stress state and deformation features of tunnel structure before and after the construction of the concrete stake in the strata can prove the result that the concrete stake can decrease the ground subsidence induced by tunnel excavation and the adoption of the stake can ensure the safety of tunneling and the building on the ground.
【CateGory Index】: U452.2
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