Research Article
Effect of Loading Rates on Mechanical Characteristics and Rock Burst Tendency of Coal-Rock Combined Samples
Table 1
Micromechanical parameters of coal and rock [
2,
3,
22,
23].
| | Mechanical parameters | ρ/kg·m−3 | Rmin/mm | Rmax/Rmin | Ec/GPa | Kn/Ks | /GPa | | /MPa | /MPa | |
| | Roof rock | 2600 | 0.2 | 1.5 | 12 | 2.5 | 12 | 2.5 | 45 | 45 | 0.5 | | Coal | 1800 | 0.2 | 1.5 | 4 | 2.5 | 4 | 2.5 | 15 | 15 | 0.5 | | Floor rock | 2600 | 0.2 | 1.5 | 12 | 2.5 | 12 | 2.5 | 45 | 45 | 0.5 |
|
|
