摘要
文中分析了在隧道高速公路中使用高强度管棚施工的工艺特点和原理,阐述其施工工艺流程及操作要点,得出此技术成功解决了围岩塌方、山体冒顶、洞身结构裂缝、变形沉降等施工难题,提供了适应在欧洲地区软弱围岩隧道超前支护施工的先例。
This paper analyzes the technical characteristics and principles of high-strength pipe roof construction in tunnel expressway,expounds its construction process and operation points,and concludes that this technology has successfully solved the construction problems of surrounding rock collapse,mountain roof fall,tunnel structure crack,deformation and settlement,and provides a precedent for the advance support construction of tunnel in weak surrounding rock in Europe.
作者
王勇
Wang Yong(ChinaWaterConservancy and Hydropower Engineering Bureau Chengdu Hydropower Construction Co.Ltd.,Chengdu,Sichuan 611130)
出处
《江西建材》
2020年第9期146-147,共2页
Jiangxi Building Materials
关键词
公路隧道
管棚
施工技术
Highway tunnel
Pipe shed
Construction technology