基于CRITIC-CW法的地下矿岩体质量评价
戚伟,李威,李振阳,赵国彦
Rock Mass Quality Evaluation of Underground Mine Based on CRITIC-CW Method
Wei QI,Wei LI,Zhenyang LI,Guoyan ZHAO
表1
岩体质量分级标准
[
24
,
25
,
26
]
Table 1
Standards for rock mass quality classification
[
24
,
25
,
26
]
类别
RQD
/％
R
W
/MPa
K
V
K
f
ω
/［L·（min·10 m）
-1
］
Ⅰ
90~100
200~120
1.00~0.75
1.0~0.8
0~5
Ⅱ
75~90
120~60
0.75~0.45
0.8~0.6
5~10
Ⅲ
50~75
60~30
0.45~0.30
0.6~0.4
10~25
Ⅳ
25~50
30~15
0.30~0.20
0.4~0.2
25~125
Ⅴ
0~25
15~0
0.20~0.00
0.2~0.0
125~300