A Thermal Damage Constitutive Model for Oil Shale Based on Weibull Statistical Theory

Table 1

Elastic moduli and Poisson’s ratios of oil shale specimens at different temperatures.

Temperature (°C)	Elastic modulus (GPa)				Poisson’s ratio
	1	2	3	Average
25	18.649	17.375	18.932	18.319	0.460
100	11.992	12.400	13.973	12.788	0.469
200	12.319	12.856	13.044	12.740	0.434
300	10.585	11.004	11.134	10.908	0.427
400	9.795	9.161	9.601	9.519	0.276
500	8.800	8.407	8.885	8.697	0.272
600	8.333	7.644	8.658	8.212	0.195
700	7.181	6.785	6.556	6.841	0.163