ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2006, Vol. 26 ›› Issue (增刊2): 50-51.DOI: B

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Countermeasures for Segment Uplifting in Shield Tunnel Construction

WEI Xin   

  1. Guangzhou Municipal DunJian Underground Construction Engineering Co., Ltd., Guangzhou 510030| China
  • Received:2006-10-31 Revised:2006-11-07 Online:2006-12-18 Published:2010-01-08

Abstract:

Taking the segment uplifting encountered during the construction of a shield tunnel on line 4 of Guangzhou Mass Rapid Transit systems, the author analyzes on the causes for the segment uplifting in terms of geological conditions, shield machines and cement mortars and presents the countermeasures for the segment uplifting. The construction practice demonstrates that the countermeasures taken are feasible and effective.

Key words: shield tunnel  , segment uplifting  , cause countermeasure

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