Global Geology 2014, 17(3) 170-175 DOI:     ISSN: 1673-9736 CN: 22-1371/P

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groud surface settlement
numerical simulation
advanced support
WANG Qingsong and YU Qingyang
Article by WANG Qingsong and YU Qingyang

Numerical simulation for settlement urban tunnel construction

WANG Qingsong and YU Qingyang

College of Construction Engineering,Jilin University,Changchun 130026,China


The excavation for the municipal tunnel will disturb the soil around the tunnel,and the deformation and subsidence of the earth surface always take place,which may lead to instability and even collapse for the building above the tunnel. At the same time the deformation and subsidence of the earth surface affect the nor- mal use of underground municipal pipelines,and may cause the road sudden collapse,leading to significantly traffic accidents. The authors did a research by simulating for the excavation of municipal tunnel and designed the related supporting plan,and put forward some suggestions and measures for the design and construction of urban tunnel.

Keywords tunnel   groud surface settlement   numerical simulation   advanced support  
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