Effect of Gas on Burst Proneness and Energy Dissipation of Loaded Coal: An Experimental Study Using a Novel Gas-Solid Coupling Loading Apparatus

Figure 16

Relationship of AE signals and stress and time about coal samples of different gas pressures under uniaxial compression. (a, b, c, and d) Coal sample without gas: B1-2; (e, f, g, and h) Coal sample with 1 MPa gas pressure: B2-3; (i, j, k, and l) Coal sample with 2 MPa gas pressure: B3-2.

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