Research Article
Research on the Rockburst Tendency and AE Characteristics of Inhomogeneous Coal-Rock Combination Bodies
Table 1
Microparameters of rock and mine.
| Materials | Density (kg/m3) | Radius (mm) | Friction coefficient | Radius of parallel bond (mm) | Elastic modulus (GPa) | Bonding strength (MPa) |
| Mine Rock | 1800 2600 | 0.2~0.3 | 0.5 | 1 | 4 12 | 15 45 |
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