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

Table 1

Stress characteristic values with different strain rates.

	Group
10^–5	5–1	34.195	38.655	0.542	0.544	52.680	60.072	0.835	0.848	63.090
	5–2	43.649		0.551		62.185		0.785		79.217
	5–3	38.121		0.539		65.350		0.924		70.725
10^–4	4–1	29.772	38.680	0.380	0.509	58.448	62.340	0.746	0.820	78.348
	4–2	35.637		0.600		54.109		0.911		59.395
	4-3	50.632		0.546		74.465		0.803		92.733
10^–3	3–1	37.712	29.770	0.430	0.358	63.759	60.601	0.727	0.735	87.702
	3-2	24.701		0.293		50.264		0.596		84.305
	3-3	26.896		0.350		67.781		0.882		76.847