Discrete Element Modeling on Mechanical Behavior of Heterogeneous Rock Containing X-Shaped Fissure under Uniaxial Compression

Table 3

Mechanical parameters of numerical models.

(°)	(°)	Peak strength (MPa)	Elastic modulus (GPa)	Peak strength damage coefficient	Elastic modulus damage coefficient
Intact		183.00	20.49	—	—
45	15	110.28	17.73	0.40	0.13
45	30	104.00	17.94	0.43	0.12
45	45	91.90	17.49	0.50	0.15
45	60	95.08	17.02	0.48	0.17
45	75	96.06	17.54	0.48	0.14
45	90	87.17	16.78	0.52	0.18
0	60	89.48	16.22	0.51	0.21
15	60	86.35	16.83	0.53	0.18
30	60	95.03	16.99	0.48	0.17
45	60	95.08	17.02	0.48	0.17
60	60	101.95	17.92	0.44	0.13
75	60	104.13	18.78	0.43	0.08
90	60	126.95	18.84	0.31	0.08