Triaxial Compressive Failure Characteristics and Constitutive Model Study of Jurassic-Cretaceous Weakly Cemented Sandstone

Table 2

Weibull distribution model parameters.

Serial number of rock sample	(MPa)	E (GPa)	(MPa)	(%)
1	0	4.67	21.69	0.695	0.31	0.52	13.96	3191.2
2	5	5.12	33.35	0.772	0.29	0.50	7.28	5584.4
3	10	6.32	48.43	0.847	0.27	0.48	4.37	9334.1
4	15	6.54	58.48	0.905	0.22	0.47	3.08	11937.1