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隧道建设(中英文) ›› 2011, Vol. 31 ›› Issue (S2): 26-34.

• 施工技术 • 上一篇    下一篇

大直径泥水盾构停机点地层加固措施及开挖舱密封技术探讨

孟海峰,翟志国   

  1. (中铁隧道集团二处有限公司, 河北 三河 065201)
  • 收稿日期:2011-08-27 修回日期:2011-09-26 出版日期:2011-11-20 发布日期:2011-12-29
  • 作者简介:孟海峰(1978—),男,吉林洮南人,2002年毕业于北华大学土木工程专业,本科,工程师,现从事盾构施工与技术研究工作。

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

摘要: 保证地层稳定和舱内密封是盾构停机带压进舱作业的关键。通过对北京铁路地下直径线工程大直径泥水平衡盾构施工带压进舱换刀工程实例的研究,解决了城市中泥水平衡盾构停机换刀点的地层加固和刀盘舱内的气密性问题,希望对类似工程有借鉴作用。

关键词: 泥水盾构, 带压进舱, 保压, 注浆

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