Estimation of Rock Burst Grades Using Rock Mass Strength

Table 6

σ_cm at different measurement points.

No. of measurement points	σcm (MPa)
1	2.42
2	2.12
3	4.10
4	1.47
5	1.51
6	1.02
7	1.20
8	2.11
9	3.72
10	2.66
11	5.25
12	2.09
13	8.42
14	3.57
15	4.31
16	2.13
17	3.16
18	2.69