ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2011, Vol. 31 ›› Issue (S2): 92-96.

• wenzhang • Previous Articles     Next Articles

Application of PPS Guiding System in Construction of West Qinling Tunnel

DAI Bin, CHEN Ming   

  1. (TBM Department of West Qinling Tunnel on LanzhouChongqing Tunnel, China Railway Tunnel Group, Wudu 746052, Gansu, China)
  • Received:2011-09-25 Revised:2011-10-25 Online:2011-11-20 Published:2011-12-29

Abstract: The working principle and installing process of PPS guiding system is presented, methods to reduce the error are proposed, malfunctions and treatments of the system are summarized and emergency treatments of hardware damage are gave, so as to guaranteed the continuous, effective and exact data from PPS guiding system, with its application in West Qinling tunnel as an example.

Key words: TBM, PPS guiding system, West Qinling tunnel, malfunction treatment