ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2005, Vol. 25 ›› Issue (6): 44-46.

• wenzhang • Previous Articles     Next Articles

Discussion on Construction Technology of Deepburied Soft Section of Entrance Portion of Yuanliangshan Tunnel

XU Hong-Luo   

  1. China Railway Tunnel Stock Co., Ltd., Xinxiang 453000,Henan, China
  • Received:2004-09-06 Online:2005-12-20 Published:2009-12-19

Abstract:

This article introduces the technical measures taken in the excavation and reinforcement of the deepburied soft section of Yuanliangshan tunnel (DK352+775~DK353+275) and discusses on such matters as excavation blasting,overbreak control, tunnel stability, primary reinforcement and safety protection, which can provide reference for similar works in the future.

Key words: deep-buried soft section, construction, technology