Research Article
Mechanical Properties of Bump-Prone Coal with Different Porosities and Its Acoustic Emission-Charge Induction Characteristics under Uniaxial Compression
Figure 5
Stress-strain curves of three types of coal affected by gangue and fracture. The result of more complete coal is denoted by the purple curve, cracks, or gangue by the grey curve, and fracture and gangue by the pink curve.