分析了明垭子特长隧道在通过断层破碎带及软岩段时，在高地应力及富水段大变形的产生原因，在此基础上，结合该隧道的地质情况，针对不同的变形情况提出了相应的处置措施，优化了设计支护参数及施工方案，总结了施工经验，为今后类似工程提供了参考。%This paper analyzed the reasons of high crustal stress and water rich section large deformation of Mingyazi super long tunnel through the fault fracture zone and soft rock section,based on this,combining with the geological conditions of the tunnel,according to different deform-ation situation and put forward corresponding treatment measures,optimized the design support parameters and construction scheme,summarized the construction experience,provided reference for future similar project.
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