Author(s): Luo Bin
Pages: 129-133
Year: 2014 Issue:  3
Journal: Industrial Construction
Keyword:  tunnel; huge karst cave; treatment;
Abstract: Combining with Guangxi Xiejiadong cave tunnel hydrogeology as well as the collapse of the karst cave in tunnel construction , it was introduces the tunnel karst cave “back fill excavation method” construction technique . Through the implementation of this technology , it had been effectively solved the problem of the unstable rock mass collapse, which explored a path for the construction of the large water-eroded cave tunnel .