Research Article
GA-Based Early Warning Method for Rock Burst with Microseismic and Acoustic Emission in Steeply Inclined Coal Seam
Table 2
Rock burst hazard classification.
| Integrated early warning index of rock burst, IC | Levels of rock burst risk | State of rock burst risk |
| 0 ≤ IC < 0.25 | I | No rock burst risk | 0.25 ≤ IC < 0.5 | II | Weak rock burst risk | 0.5 ≤ IC < 0.75 | III | Medium rock burst risk | 0.75 ≤ IC ≤ 1 | IV | Strong rock burst risk |
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