Research Article
Coupling Analysis of Water Injection Softening-Precursor Information Prediction of Coal-Rock Mass Based on Energy Conduction
Table 3
Comparison of shock tendency index criterion of coal samples under different water injection conditions.
| Sample state | Dynamic failure time | Shock energy index | Elastic energy index | Uniaxial compressive strength | Results of the comprehensive evaluation |
| Dry state | 926 | 28.440 | 1.048 | 32.040 | High | Natural state | 818 | 2.830 | 1.580 | 22.848 | Mid | Saturated state | 1440 | 2.008 | 6.135 | 21.016 | Low |
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