›› 2009, Vol. 30 ›› Issue (S2): 269-272.

• Geotechnical Engineering • Previous Articles     Next Articles

Analysis of influence of metro shield tunneling crossing underneath high speed railway

XU Gan-cheng1, LI Cheng-xue1, WANG Hou-yu, ZHAO Yue2, HU Ping1   

  1. 1.The Air Force Engineering Design & Research Institute, Beijing 100068, China; 2.The Third Survey & Design Group Co. Ltd., Ministry of Railway, Tianjin 300251, China
  • Received:2009-08-18 Online:2009-08-10 Published:2011-06-21

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Abstract:

A numerical simulation is carried out to study the settlement of ground caused by the construction of a shield tunnel. As a high speed railway is just above the tunnel and the differential settlement of the steel rails is limited in 5 mm; it requires high quality of the tunnel construction. The simulation results indicate that the grouting reinforcement to the stratum between the railway and the tunnel is an effective way to control the settlement of ground; and the values of several parameters gained in the calculation can serve for reference in the construction.

Key words: shield tunnel, cross below the railway, settlement control, grouting reinforcement

CLC Number: 

  • U 45
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