Research Article
Experimental Study of the Influence of Moisture Content on the Mechanical Properties and Energy Storage Characteristics of Coal
Table 5
Test values of burst tendency of some coal samples.
| | Loading condition | No. | Moisture content | Dynamic failure time (ms) | Impact energy index
| Elastic energy index
|
| | Uniaxial compression failure | a2 | 17% | 64.3 | 6.36 | — | | a4 | 18% | 141.6 | 3.01 | — | | a8 | 22% | 179.1 | 2.63 | — | | a9 | 25% | 193.34 | 2.06 | — |
| | Cyclic loading/unloading | b3 | 18% | — | — | 6.52256 | | b6 | 21% | — | — | 4.47789 | | b9 | 25% | — | — | 2.69984 |
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