Unloading Rheological Test and Model Research of Hard Rock under Complex Conditions

Table 1

Model parameter identification results.

Deviatoric stress (MPa)	(MPa)	(MPa)	(MPa·h)		(MPa·h)
50	360.11	1143.59	55437.6	0.525	—	—	0.9970
60	383.83	348.74	2509.21	0.150	—	—	0.9973
70	359.13	2277.96	48483.76	0.605	10560.01	0.598	0.9973
75	336.51	1986.30	22215.98	0.566	8652.58	0.610	0.9979
77.5	302.45	671.81	7821.49	0.445	4621.78	0.470	0.9996