Research on Stress Threshold of Deep Buried Coal Rock under Quasi-Static Strain Rate Based on Acoustic Emission

<div>Determination of initiation stress using lateral strain response method. (a) Lateral strain difference of coal rock. (b) Determination of initiation stress.</div>

Advances in Civil Engineering

fig10

Figure 10

Figure 10: Research on Stress Threshold of Deep Buried Coal Rock under Quasi-Static Strain Rate Based on Acoustic Emission 