Numerical Simulation on Cutting and Fracturing of Rock Plate with One Side Fixed and Three Sides Free

Table 1

Detailed parameters of granite.

R0	G	A	B	C	N	UCS	BTS	EPS0	EFmin	SFmax	PC
2683	2.2e10	0.79	1.6	0.007	0.61	1.21e8	1.21e7	1e − 6	0.01	12	5.7e7
UC	PL	UL	D1	D2	K1	K2	K3	FS	MNPRES	EPSSH
0.0025	8e8	0.08	0.04	1	8.5e10	−1.7e11	2e11	−1	−1.21e7	1.5

R₀: mass density, G: shear modulus, A: normalized cohesive strength, B: normalized pressure hardening, C: strain rate coefficient, N: pressure hardening exponent, EPS0: reference strain rate, EFMIN: amount of plastic strain before fracture, SFMAX: normalized maximum strength, PC: crushing pressure, UC: crushing volumetric strain, PL: locking pressure, UL: locking volumetric strain, D₁: damage constant, D₂: damage constant, K₁: pressure constant, K₂: pressure constant, K₃: pressure constant, FS: failure type, MNPRES: minimum pressure at failure, and EPSSH: shear strain at failure [29].