Numerical Simulation of Strength, Deformation, and Failure Characteristics of Rock with Fissure Hole Defect

Table 2

Comparison of mechanical properties between laboratory test results and numerical simulation results.

Category	Vertical fissure model (a/b = 3)			Horizontal fissure model (a/b = 3)
	Peak stress (MPa)	Elastic modulus (GPa)	Peak strain	Peak stress (MPa)	Elastic modulus (GPa)	Peak strain
Experiment result	58.37	1.567	0.0231	36.19	1.233	0.0176
Numerical result	56.98	1.316	0.0196	36.93	1.035	0.0157
Error (%)	2.38	16.02	15.15	2.0	16.05	10.8