ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2008, Vol. 28 ›› Issue (1): 78-81.DOI: B

• wenzhang • Previous Articles     Next Articles

Construction and Quality Control of Excavation and
Primary support of Huge Highway Tunnels

WANG Yujun1, CAI Zhenyu2   

  1. 1. Highway Corporation of Shanxi Province2. China Railway Tunnel Group Co., Ltd.
  • Received:2007-09-11 Revised:2008-01-02 Online:2008-02-20 Published:2009-11-18

Abstract:

he construction technology and quality control of the excavation and primary support of Qinling tunnel group on Xi’anHanzhong highway are summarized and analyzed. Quality control measures for smooth blasting and primary support construction of superlong highway tunnels are recommended. Suggestions are made on the excavation, primary support design and construction methods and quality control of highway tunnels in mountainous areas.

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