Research on the support system and reinforcement range of cross passage tunnel

피난연결통로터널의 지보패턴 및 보강범위 연구

  • Received : 2010.02.05
  • Accepted : 2010.03.23
  • Published : 2010.05.31


Recently, plans of tunnel and construction have increased. Unfortunately, the more we have tunnels, the more we have accidents in there. Because an accident or a fire in the tunnel is fatal to user safety, social concerns are focusing on the disaster prevention facilities. Cross passage tunnel is regarded as one of the useful disaster prevention facilities, which is increasing, while there were only few studies about the support system. This study tried to verify whether the support system is appropriate or not with empirical methods-theoretical methods and back analysis using measurement data. Additionally, we also looked into the range of reinforcement in accordance with strength/stress ratio of rock mass.


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