Experimental Study on Triaxial Unloading Failure of Deep Composite Coal-Rock

Table 4

Verification of experimental results.

No.	Unloading rate (MPa·s^−1)	Triaxial compressive strength (MPa)	Deviation rate
T1	0.075	48.432	0.874
T2	0.075	49.015	0.319
T3	0.075	48.821	0.078
T4	0.150	47.431	0.602
T5	0.150	46.891	0.543
T6	0.150	47.055	0.195