Experimental Study on the Effect of Grouting Defects on Mechanical Properties of the Rebar Connected by Full-Grouted Sleeves

Table 4

Specimen loading test results.

Number	Ultimate bearing capacity (kN)	Stress strength (MPa)	Maximum elongation (%)	Failure mode
I-1	192.58	612.81	13.69	Rebar tension fracture
I-2	203.89	649.00	13.31	Rebar tension fracture
I-3	193.21	615.00	12.66	Rebar tension fracture
II-1	188.65	600.49	10.31	Rebar tension fracture
II-2	190.38	606.00	11.45	Rebar tension fracture
II-3	186.30	593.01	12.81	Rebar tension fracture
III-1	195.06	620.90	8.32	Rebar tension fracture
III-2	188.70	600.65	12.77	Rebar tension fracture
III-3	185.04	589.00	11.56	Rebar tension fracture
IV-1	179.66	571.88	4.30	Rebar pullout
IV-2	193.52	615.99	7.42	Rebar tension fracture
IV-3	175.47	558.54	4.29	Rebar pullout
V-1	158.65	505.00	3.14	Rebar pullout
V-2	151.42	481.99	4.26	Rebar pullout
V-3	152.90	486.70	2.25	Rebar pullout