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6.
隧道初期支护的主要形式
Fig.6.
Main forms of tunnel primary support