Abstract:
This paper introduces the development features of a karst cavity, underground river, and karst water disclosed by the construction of the Tongzilin tunnel on the Lanzhou-Chongqing railway. Regarding the different types of karst, some treatment schemes are proposed, and a scheme analysis and comparision is discussed. At present, the tunnel has passed through the karst area successfully with no new environment problems occuring.
.Features of the Karst Encountered in the Tongzilin Tunnel on the Lanzhou-Chongqing Railway and Treatment Schemes[J] MODERN TUNNELLING TECHNOLOGY, 2012,V49(4): 37-41