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

Table 2

Comparison between experimental and numerical mechanical parameters of the intact specimen.

	Peak strength (MPa)	Elastic modulus (GPa)	Poisson’s ratio
Numerical results	183.0	20.49	0.26
Experimental results	176.7	20.66	0.25
Relative error	3.57%	0.82%	4.00%