Estimation of Rock Burst Grades Using Rock Mass Strength

Table 5

GSI at different measurement locations.

No. of measurement points	GSI
1	58
2	58
3	55
4	58
5	60
6	55
7	54
8	55
9	51
10	53
11	56
12	55
13	51
14	54
15	55
16	56
17	53
18	57