Research Article
A New Method for Predicting Coal and Gas Outbursts
Table 4
Gas pressures in the C9 coal seam and other gas parameters.
| | Coal seam | Testing site | Gas pressure, P (MPa) | Gas content, Q (m3/t) | Permeability coefficient, λ (m2/MPa2.d) | Attenuation coefficient of flow in borehole, α(d−1) |
| | C9 | Floor drainage roadway at the 1800 m level | 1.02 | 10.81 | 0.1341 | 0.111 |
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