Research Article
Effect of Gas on Burst Proneness and Energy Dissipation of Loaded Coal: An Experimental Study Using a Novel Gas-Solid Coupling Loading Apparatus
Table 2
Record of coal sample grouping and physical properties of coal samples.
| | Number | Diameter (mm) | Height (mm) | Density (kg∙m−3) | Gas pressure (MPa) | Loading mode |
| | B1-1 | 49.6 | 95.1 | 1271.9 | 0 | Uniaxial compression | | B1-2 | 49.5 | 99.3 | 1151.7 | | B1-3 | 49.3 | 96.3 | 1212.1 | | B1-4 | 49.7 | 97.3 | 1253.5 | Uniaxial loading-unloading | | B1-5 | 48.5 | 99.0 | 1287.4 | | B1-6 | 49.5 | 98.8 | 1232.7 | | B2-1 | 49.4 | 97.5 | 1330.2 | 1 | Uniaxial compression | | B2-2 | 49.5 | 99.2 | 1274.3 | | B2-3 | 49.3 | 97.4 | 1376.7 | | B2-4 | 49.4 | 98.3 | 1318.5 | Uniaxial loading-unloading | | B2-5 | 49.3 | 100.02 | 1238.0 | | B2-6 | 50.0 | 99.3 | 1201.1 | | B3-1 | 49.6 | 100.0 | 1292.4 | 2 | Uniaxial compression | | B3-2 | 49.5 | 98.1 | 1227.5 | | B3-3 | 49.5 | 99.1 | 1344.4 | | B3-4 | 49.5 | 99.2 | 1342.9 | Uniaxial loading-unloading | | B3-5 | 49.3 | 97.4 | 1376.7 | | B3-6 | 49.5 | 95.8 | 1250.4 |
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