Multifield Coupling Mechanism of Unloading Deformation and Fracture of Composite Coal-Rock

<div>Coal-rock friction and high temperature point of coal temperature nephograms of friction, fracture amplification. (a) Coal-rock friction. (b) High temperature point of coal.</div>

Shock and Vibration

fig5

Figure 5

Figure 5: Multifield Coupling Mechanism of Unloading Deformation and Fracture of Composite Coal-Rock 