层状围岩隧道大变形等级判别及处理

巩江峰, 朱勇, 张广泽

The Grade Discrimination of Large Deformation of Layered Surrounding Rock in Tunnel and Its Treatment Countermeasures

GONG Jiang-feng, ZHU Yong, ZHANG Guang-ze

铁道工程学报 . 2018, (12): 51 -55 .