A Modified Cubic Law for Rough-Walled Marble Fracture by Embedding Peak Density

Table 3

Fitting parameters and correlation coefficients R².

No.	(be)max (mm)	Equation (10)			Equation (11)			Equation (12)		Equation (14)
		P 1	P 2	R ^2	P 3	n	R ^2	ξ	R ^2	P 4	P 5	R ^2
M1	0.45	−0.13	0.06	0.94	5.53	3.17	0.95	2.29	0.91	−0.05	0.45	0.99
M2	0.71	−0.09	0.06	0.98	1.34	2.98	0.97	0.72	0.99	−0.06	0.77	1.00
M3	0.58	−0.12	0.07	1.00	3.11	3.04	1.00	1.57	1.00	−0.06	0.63	0.99
M4	1.63	−0.04	0.07	0.95	0.13	2.94	0.94	0.07	0.95	−0.08	1.70	0.99
M5	0.59	−0.11	0.07	0.98	2.50	2.95	0.98	1.39	1.00	−0.05	0.63	1.00