W钢带补强隧道衬砌缺陷施工技术

以新建铁路贵阳枢纽白云至龙里北联络线龙洞堡机场隧道施工为例,详细介绍了隧道二次衬砌补强缺陷整治的原则、材料要求、方法及措施、施工工艺,重点阐述了嵌W钢带配碳纤维布整治隧道二衬缺陷的方法及工艺,对地下工程病害及缺陷整治可起到借鉴作用,对今后类似地下工程的施工具有一定的参考价值。

W-steel Band Reinforcing Construction Technology of Tunnel Lining Defects

This paper, taking Guiyang Baiyun to Longli north railway hub Longdongbao Airport Tunnel as example, gives a detailed introduction to the principles for the tunnel 2nd-lining defects repair, material requirements, method and construc- tion process with focus on the method of tunnel the 2nd-lining defects repair with embedded W steel band with carbon fiber cloth. It is can be taken as a reference for underground works diseases and defects construction.