Research Article
Analytical Solution for the Deformation and Support Parameters of Coal Roadway in Layered Roof Strata
Table 2
Mechanical parameters of coal and rock.
| Lithology | (GPa) | (kN/m3) | (GN/m2) | (MPa) | (MPa) | (°) |
| Medium sandstone | 18.96 | 27.18 | —— | 5.37 | 62.3 | 37.3 | Fine sandstone | 11.1 | 26.79 | —— | 3.01 | 50.6 | 35.2 | Siltstone | 10.08 | 26.13 | —— | 2.97 | 50.2 | 33.3 | Sandy mudstone | 10.59 | 26.23 | —— | 2.57 | 26.65 | 32.1 | Coal | 1.29 | 14.60 | 0.06 | 0.57 | 5.3 | 30.1 |
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