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Construction Technology of Shallow Buried Tunnel in Saturated Soft Loess
Author(s): 
Pages: 134-137,160
Year: Issue:  2
Journal: Underground Space

Keyword:  浅埋 富水 黄土隧道 施工技术;
Abstract: 黄土是特殊地层 ,大规模修建黄土隧道是最近几年才开始的 ,故黄土隧道的施工方法还不够成熟 ,特别是浅埋、富水、软弱地段黄土隧道施工更是隧道施工中的一大技术难题。本文介绍了通过采用超短台阶上弧导坑开挖 ,多层小导管——钢拱超前支护和加强监控量测等综合措施成功通过了浅埋、富水、软弱地段 ,达到了国内黄土隧道施工的先进水平 ,为今后类似工程施工提供了宝贵经验
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