Optimal Proportion of Similar Materials and Rockburst Tendency of White Sandstone

Table 12

Judgement of rockburst tendency of similar materials covered by the study.

Group number	σc/σt
1	5.18	4.52
2	4.71	5.03
3	5.46	6.14
4	4.76	3.98
5	4.77	5.72
6	3.79	4.57
7	4.98	3.48
8	4.85	5.15
9	5.59	5.26
10	5.19	3.45
11	4.17	5.13
12	4.39	3.96
13	5.93	2.70
14	3.52	7.02
15	4.53	3.95
16	4.46	5.09