ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2011, Vol. 31 ›› Issue (S2): 26-34.

• wenzhang • Previous Articles     Next Articles

Ground Reinforcement Technology of Largediameter Slurry Shield Stopping Zone and Chamber Sealing Technology

MENG Haifeng, ZHAI Zhiguo   

  1. (The 2nd Engineering Co., Ltd. of China Railway Tunnel Group, Sanhe 065201, Hebei, China)
  • Received:2011-08-27 Revised:2011-09-26 Online:2011-11-20 Published:2011-12-29

Abstract: Ground stability and chamber sealing is the key to shield stopping and chamberentering. The ground reinforcement technology of largediameter slurry shield stopping zone and cutter head chamber sealing technology adopted in Beijing Metro underground diameter line are presented. The paper can provide reference for similar projects in the future.

Key words: slurry shield, chamberentering under pressure, pressure keeping, grouting