袖阀管注浆在成贵铁路岩溶隧道应用

Application of Sleeve Valve Tube Grouting in Chengdu-Guizhou Railway Karst Tunnel

结合成贵铁路樱桃坝隧道出口段地质情况,提出针对岩溶极发育段提出采用双液袖阀管注浆进行地质加固处理的方法及工艺,取得了良好的效果,确保工程的质量及安全,为今后类似工程施工提供了一些可借鉴的经验。

Combining with the geological conditions of Chengdu-Guizhou railway tunnel,this aticle puts forward the method and technology of geological reinforcement by grouting with double liquid sleeve valve.It has been achieved good results,and ensured the project quality and safety,which provides some experience for similar project construction in the future.