谈高速公路隧道开挖与支护方案的类型及确定

Discussion on the types and determination of tunnel excavation and support scheme of highway

对高速公路隧道开挖的方法及隧道支护结构类型进行了简要介绍,并针对Ⅴ级围岩、Ⅳ级围岩、Ⅲ级围岩的不同工况确定了具体的开挖方案,以期为高速公路隧道施工的顺利进行提供一定的依据。

This paper briefly introduced the tunnel excavation method and tunnel support structure type of highway,and according to different construction conditions of class Ⅴ surrounding rock,class Ⅳ surrounding rock,class Ⅲ surrounding rock,determined the specific excavation scheme,in order to provide a basis for the smoothly highway tunnel construction.