ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2008, Vol. 28 ›› Issue (6): 716-719.DOI: B

• wenzhang • Previous Articles     Next Articles

Study on Construction Scheme of Tunnelling Through Karst and Gob Area

DIAO Geng-Liang, WEN Fu-Yuan   

  1. The 4th Engineering Co., Ltd. of China Railway Tunnel Group
  • Received:2008-01-24 Revised:2008-08-28 Online:2008-12-20 Published:2009-12-02

Abstract:

 New Nanling tunnel on WuhanGuangzhou passengerdedicated railway has large crosssection and has to cross karst area and coal gob area. In order to overcome the difficulties encountered during the tunnel excavation, the authors make comparative study on various schemes. The scheme finally adopted ensures the tunneling safety and solves such problems as time limit of the project.

Key words:  , tunnelkarstgob areaonstruction scheme

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