Trickling water frequently occurs in the outside appearance of biconnected arch tunnels after the secondary lining, influencing their construction quality and operating.
在双连拱隧道施工中，二次衬砌完成后表面往往会出现渗漏水现象，对双连拱隧道施工质量及营运造成影响。
2
As tunnels are important structures of highway projects, the treatments of fissure in the lining of tunnels play great roles in the safety operation of tunnels.
隧道是公路工程建设中的重要结构物，隧道衬砌裂缝控制对隧道的安全运营非常重要。
3
The research, along with specific site investigations, provides helpful guide for renovation and prevention of concrete lining erosion in tunnels passing through pyrite-bearing strata.