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《Chinese Journal of Underground Space and Engineering》 2014-S1
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Analysis of the Deformation of Metro Station Caused by Approaching Excavation of the Link Pedestrian Tunnel

Li Gang;Guangzhou Keycity Design Co.,Ltd;  
The link pedestrian tunnel will be constructed to connect the underground store and the subway station.Because of the link pedestrian tunnel is close to the subway station and the surrounding rock,which the tunnels will pass by,is weak.So the numerical simulation analysis is needed to predict the deformation of the subway station and ground subsidence.The paper compares the effect of grouting or without grouting in case of the whole section excavation and estimates the effect of full section excavation and partial excavation in case of grouting.From the perspective of the ground subsidence and deformation of subway station,the analysis result shows that grouting,partial excavation from far to near and so on are the best be used.These measures can reduce the ground subsidence and deformation of subway station and ensure that the tunnel constructed safely and successfully.
【CateGory Index】: U231.4
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