›› 2009, Vol. 30 ›› Issue (S2): 418-421.

• Geotechnical Engineering • Previous Articles     Next Articles

Analysis and prediction of surface subsidence of double-arch tunnel construction in city

WANG Zhen-wei, FU gang   

  1. China Railway Eryuan EngineeringGroup Co. Ltd., Chongqing 400015, China
  • Received:2009-07-20 Online:2009-08-10 Published:2011-06-21

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Abstract: The study work of surface subsidence has been mostly focused on shield construction of underground tunnel, while there has hardly been any research on surface subsidence caused by mining method constructing city double-arch tunnel. Based on the double-arch tunnel in Pengjia Garden, the study of surface subsidence caused by mining method construction has been carried on. Under the conditions of different construction methods, the regression analysis pointed to different depths of embedment, different section areas is used, so that the law of surface subsidence is obtained in theory; according to the monitored data, a forecast formula of surface subsidence under mining method is put forward. The regression effect has been validated combining with three dimensional numerical simulation

Key words: double-arch tunnel, surface subsidence, construction method, regression analysis, numerical simulation

CLC Number: 

  • TU 433
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