Research Article
Acoustic Emission Simulation on Coal Specimen Subjected to Cyclic Loading
Table 3
Test conditions and results of coal specimen subjected to cyclic loading (the loading-unloading rate of 0.03 m/s).
| Scheme number | Confining pressure (MPa) | Stress cycle interval (corresponding to peak strength) | Cycle number | Time-step |
| 1 | 0 | 0.5∼0.95 | 4 | 656,539 | 2 | 5 | 0.5∼0.95 | 20 | 4,219,657 | 3 | 10 | 0.5∼0.95 | 38 | 11,715,047 |
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