Research Article
Stability Control Mechanism of High-Stress Roadway Surrounding Rock by Roof Fracturing and Rock Mass Filling
Table 2
The mechanical parameters of the rock mass.
| | Lithology | RQD | Em (GPa) | σcm (MPa) | σt (MPa) |
| | Fine sandstone | 93 | 8.3 | 43.5 | 4.3 | | Sandy mudstone | 90 | 4.1 | 19.5 | 1.9 | | Siltstone | 89 | 5.5 | 32.8 | 3.2 | | Mudstone | 85 | 2.3 | 7.6 | 0.7 | | Coal seam | 71 | 0.4 | 4.1 | 0.4 |
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