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

Figure 17

Energy evolution curve of coal samples of different gas pressures under uniaxial loading. (a) Coal sample without gas. (b) Coal sample with 1 MPa gas pressure. (c) Coal sample with 2 MPa gas pressure.

(a)

(b)

(c)