Abstract The autho rs pro pose a karst g eolog y method which may be used to proceed the qualitativ e fo recast fo r the karst cav e in tunnels. This method is simple in operatio n and has no need of instruments. As applied in 8 tunnels in co urse o f construction, the method has been v erified w ith hig h accuracy.
|
Received: 15 October 1997
|
|
|
|