隧道支护结构体系及其协同作用
1)
张顶立,孙振宇,侯艳娟
TUNNEL SUPPORT STRUCTURE SYSTEM AND ITS SYNERGISTIC EFFECT
1)
Dingli Zhang,Zhenyu Sun,Yanjuan Hou
表5
隧道锚杆支护建议
Table 5
Proposed parameters for tunnel rockbolt
Length
Diameter
Layout density
Prestress force
l/m
d/mm
C/(N.m
-2
)
F/kN
3
22
1
70