Experimental Study on the Tensile Properties of Rock-Mortar Interface under Different Strain Rates

Table 2

Equation parameters of the fitting curve of new function and fracture energy.

Strain rate ()	(MPa)	(mm)	(−)	(−)	(−)	Reduced chi-square (−)	Adjusted R-square (−)
	2.011	0.141	0.76	7.14	1	0.0131	0.903
	2.560	0.091	0.84	4.93	1	0.010	0.958
	2. 891	0.022	0.88	1.57	1	0.004	0.972