Study on Dynamic Mechanical Properties and Failure Mechanism of Sandstones under Real-Time High Temperature

Table 4

Fitted parameters of the constitutive model.

(°C)	(s^-1)	(GPa)			(10^-2)	(10^-3)
25	60.12	25.51	1.00	4.49	2.50	6.75	1.59	0.989
	112.60	26.26	1.00	4.29	2.30	6.56	1.69	0.973
	187.85	28.12	1.00	4.31	2.07	6.29	1.18	0.981
100	78.15	18.05	0.99	4.27	2.20	9.04	1.93	0.986
	141.44	16.58	0.99	4.40	3.35	11.31	1.49	0.986
	195.01	20.13	0.99	4.10	3.92	11.51	1.82	0.940
200	82.23	14.23	1.09	4.66	4.22	11.10	2.56	0.994
	147.20	19.95	1.09	4.26	4.09	11.47	1.62	0.994
	204.14	21.21	1.09	4.35	4.52	12.66	1.41	0.959
400	96.31	14.45	1.42	4.45	5.99	11.78	1.36	0.988
	159.94	17.47	1.42	4.70	4.12	12.46	1.14	0.983
	200.74	19.38	1.42	4.23	4.47	10.10	0.91	0.981
600	110.40	16.20	1.31	4.45	4.00	9.67	1.20	0.986
	189.31	15.01	1.31	4.52	4.00	13.37	1.38	0.987
	214.83	14.28	1.31	4.62	4.15	15.81	1.39	0.986