隧道支护结构体系及其协同作用
张顶立,孙振宇,侯艳娟
TUNNEL SUPPORT STRUCTURE SYSTEM AND ITS SYNERGISTIC EFFECT
Dingli Zhang,Zhenyu Sun,Yanjuan Hou
图5.
超前破坏范围评价指标
Fig.5.
Evaluation index of advance damage scope