富水软弱地层中隧道超前支护应用研究  

Application of Tunnel Advanced Support in Water-Rich Soft Strata

作　　者：李艳娥 LI Yan′e(Wuhan Hanyang Municipal Construction Group Co.,Ltd.,Wuhan 430000,China)

机构地区：[1]武汉市汉阳市政建设集团有限公司,湖北武汉430000

出　　处：《河南科技》2023年第14期62-65,共4页Henan Science and Technology

摘　　要：【目的】超前支护技术是软弱地层中暗挖隧道常用的地层加固技术,其在地铁建设中应用可进一步保障施工安全。【方法】本文以武汉市某地铁车站出入口工程为研究对象,在详细勘探富水软弱地层情况的基础上,对该通道开挖过程中所采用的超前支护技术进行分析研究,探讨施工的重点和难点。【结果】采用大管棚和小导管超前支护技术,解决了施工难题,安全顺利完成了施工任务,保护了周边的建筑和环境。【结论】本工程的相关经验和技术方法可以为其他类似工程的设计和施工提供借鉴。[Purposes] Advanced support technology is a commonly used stratum reinforcement technology for underground tunnels in soft strata.Its application in subway construction can further ensure construction safety.[Methods] This paper takes the entrance and exit project of a subway station in Wuhan City as the research object.Based on the detailed exploration of water-rich soft strata,the advanced support technology used in the excavation process of the tunnel is analyzed and studied to discuss the key points and difficulties of construction.[Findings] The use of large pipe shed and small pipe advance support technology solved the construction problems,safely completed the construction task,and protected the surrounding buildings and environment.[Conclusions] The project related experience and technical methods can provide reference for the design and construction of other similar projects.

关 键 词：地铁隧道 软弱地层 浅埋暗挖 超前支护 

分 类 号：U457.3[建筑科学—桥梁与隧道工程]