特长山岭隧道塌方处治技术研究
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摘要
因特长山岭隧道上方地形复杂且路线长,给前期地质勘探带来一定难度,导致地勘报告不同程度存在偏差,在施工过程中极易出现围岩类型与设计不符的现象,施工中虽然采取了超前地质预报措施,但因各种综合因素,掌子面上难免出现塌方。本文根据山西五盂高速佛岭隧道工程实例,综合论述不同类型、规模塌方事故的处理方法,并进行总结归纳,叙述了运用加强超前支护或改变衬砌形式对隧道塌方进行处理的方法和经验,可为类似工程施工提供一些参考和借鉴。
Due to complex topography and long alignment,it is difficult to conduct geology investigation in early stage,which may result in deviation case in geological survey report and difference between actual rock grade and design case.Based on Foling tunnel project,it introduces the treatment methods for various collapse events,especially focusing on strengthening the advance support and changing the lining type.
引文
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