ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2009, Vol. 29 ›› Issue (增刊1): 61-68.DOI: B

• wenzhang • Previous Articles     Next Articles

Construction Technology of Earth Pressure Balance Shield Machine
Crossing through Karst Cave Section

DAI Wei1, ZHOU Zhi2   

  1. 1.China University of Geosciences (Wuhan), Wuhan 430074,China|
    2.The 11th Engineering Bureau of China Railway, Wuhan 430071,China
  • Received:2009-03-26 Revised:2009-04-07 Online:2009-04-15 Published:2010-04-06

Abstract:

About 175m of the shield tunnel on Guangzhou Metro Line 6 (Datansha Station-Ruyifang Station) crosses through Karst cave, and there during the construction, pre-treatment of surface grouting is made to the Karst cave and such measures as boring parameters optimization, residue volume and grouting volume controlling and residue soil improvement are adopted to make sure that the shield machine successfully crosses through the Karst cave. This thesis discusses about these construction technologies.

Key words: earth pressure balance shield machine, Karst cave, construction technology

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