小导管注浆技术在浅埋偏压隧道中的应用

Application of Pilot-grouting by Mini Tube Technique in shallow Buried Tunnels with Unbalanced Ground Pressure

从洛湛铁路侯胫隧道小导管注浆预加固围岩的原理着手,详细介绍了小导管的设计原则、注浆参数和施工工艺,对同类工程施工具有借鉴意义。

In this paper,first,the principle of wall rock pre-reinforcement by mini tube Piloting Technique in Houjing tunnel of Luo-Zhan railroad is introduced;second,the design principles of mini tube,the parameter and technique of pilot grouting are discussed,as a result,it has reference significance for similar construction.