Numerical Studies on the Failure Process of Heterogeneous Rock Material with Preexisting Fracture under Uniaxial Compression

Table 1

Macromechanical parameters from the study of Lu et al. [13].

Parameters	Value
Uniaxial compressive strength of rock	69.3 MPa
Elastic modulus of rock	13.5 GPa
Poisson’s ratio of rock	0.26
Density of rock	2380 kg/m^3
Frictional angle of rock	38.8°