Experimental and Numerical Evaluation of Perfobond Rib Shear Connectors Embedded in Recycled Aggregate Concrete

Table 3

Push-out test summary results.

Specimen code		Elastic load (kN)		Shear stiffness (kN/mm)		Initial cracking load (kN)		Ultimate resistance (kN)		Relative slip (mm)		Characteristic resistance (kN)		Characteristic slip (mm)
			Ave.		Ave.		Ave.		Ave.		Ave.		Ave.		Ave.
R-t8	Spe.-1	477	484	2850	2786	539	552	976	986	29.28	31.55	878	838	35.66	37.19
	Spe.-2	490		2722		565		996		33.82		797		38.72
R-t10	Spe.-1	601	617	3103	3185	671	664	980	1028	23.93	23.50	882	925	30.91	30.25
	Spe.-2	633		3267		657		1075		23.06		968		29.59
R-t12	Spe.-1	698	719	3932	3876	738	750	1138	1112	18.37	20.47	1024	1001	30.25	30.61
	Spe.-2	740		3819		762		1086		22.56		977		30.97
PT25 T [20]		361		--		--		915		20.39		824		29.68