Research Article
Estimation of Rock Burst Grades Using Rock Mass Strength
Table 11
Comparison of rock burst estimation results between the CHEGI and modified criterion.
| No. of verification points | Estimated results of the modified criterion | Determination results of on-site rock burst | Estimated results of the CHEGI criterion | | Rock burst grade | | Rock burst grade |
| 1 | 0.0423 | Strong | Strong | 0.813 | Violent | 2 | 0.1105 | Medium | Medium | 1.983 | Strong | 3 | 0.0836 | Medium | Medium | 1.501 | Strong | 4 | 0.0478 | Strong | Strong | 0.919 | Violent |
|
|