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

Table 1

Parameters of rock-mortar interface specimen in direct tension test.

Sample label	Strain rate ()	Elastic modulus (GPa)		Peak strength (MPa)	Crack width (mm)	The number of data points (−)
		Rock	Mortar
DT-A-1		56.5	18.7	2.14	0.145	7499
DT-A-2		56.5	18.7	1.94	0.128	7005
DT-A-3		56.5	18.7	1.98	0.140	6089
DT-B-1		62	19.3	2.59	0.091	4193
DT-B-2		62	19.3	2.38	0.086	9333
DT-B-3		62	19.3	2.68	0.0950	7389
DT-C-1		67.4	19.9	2.73	0.0225	1611
DT-C-2		67.4	19.9	2.99	0.0218	2671
DT-C-3		67.4	19.9	2.79	0.0221	2395