水工隧洞施工中不稳定围岩的分析及处理措施

Analysis on Unstable Ajoining Rock of Hydraulic Tunnel in Construction Process and its Handling Measures

文中以草峪岭隧洞施工实践为例,分析了影响围岩稳定的原因,介绍了在不良地质构造下的施工措施,提出了施工中应注意的问题。

This paper introduces the construction practice in Caoyueling Tunnel, as an example, to analyzes the causes that influence stability of ajoining rock of tunnel, narrates the construction measures under bad geological structure and presents some problems that need careful attention in construction.