ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2011, Vol. 31 ›› Issue (S2): 103-107.

• wenzhang • Previous Articles     Next Articles

River Crossing and Reaching Technologies for Shield

LIU Kun   

  1. (The 3rd Engineering Co., Ltd. of China Railway Tunnel Group, Shenzhen 518052, Guangdong, China)
  • Received:2011-08-03 Revised:2011-10-10 Online:2011-11-20 Published:2011-12-29

Abstract: According to the construction experience of Wuxi Metro, analysis is made on technical difficulties and safety risks of shield crossing river under shallow overburden. Treatments, such as tunnelling parameters, construction operation and entrance reinforcement, are adopted. Technical scheme is made on basic of performance of the shield. In the end, the shield crossed the river safely.

Key words: Wuxi Metro, shield machine, shallow overburden, river crossing and reaching