Numerical Simulation of Rock Uniaxial Compressive Strength and Deformation Failure Law under Different Size Conditions

Table 1

Phase change criterion control parameters.

Control parameter	Parameter value
The compressive strength-tensile strength ratio	0
Residual strength coefficient	0.1
Phase transition criterion
Maximum tensile strain coefficient	1.5
Maximum compressive strain coefficient	200
Mohr–Coulomb strength criterion