Experimental Study on Influence of Connection Defects on Joint Strength of Half-Grouted Sleeve Splicing of Rebar

Table 8

The experiment and stimulation data of the insufficient anchoring length specimen.

Type	Specimen number	Ultimate load (kN)	Rebar stress (MPa)	Lower yield (kN)	Yield strength (MPa)	Slip (mm)	Destruction mode
E1	GTZB16-DZ-120 mm-BM-1	117.12	582.40	86.43	429.79	7.39	Rebar tension fracture
	GTZB16-DZ-120 mm-BM-2	117.38	583.69	85.48	425.06	7.31	Rebar tension fracture
	GTZB16-DZ-120 mm-BM-3	115.9	576.33	80.83	401.94	7.26	Rebar tension fracture
FEA 1	GTZB16-DZ-120 mm-BM-FEA	116.07	577.18	87.05	432.87	7.20	Rebar tension fracture
	GTZB16-DZ-104 mm-BM-1	113.30	563.40	82.48	410.14	6.75	Rebar tension fracture
E2	GTZB16-DZ-104 mm-BM-2	113.52	564.50	77.16	383.69	6.73	Rebar tension fracture
	GTZB16-DZ-104 mm-BM-3	118.46	589.06	86.15	428.39	6.76	Rebar tension fracture
FEA 2	GTZB16-DZ-104 mm-BM-FEA	112.28	558.33	83.69	416.16	6.81	Rebar tension fracture
	GTZB16-DZ-88 mm-BM-1	94.38	469.32	67.26	334.46	4.98	Rebar pullout
E3	GTZB16-DZ-88 mm-BM-2	103.52	514.77	64.54	320.93	5.03	Rebar pullout
	GTZB16-DZ-88 mm-BM-3	93.52	465.04	68.26	339.43	4.57	Rebar pullout
FEA 3	GTZB16-DZ-88 mm-BM-FEA	102.46	509.50	78.7	391.35	5.32	Rebar pullout
AVG	GTZB16-DZ-BM-AVG	119.73	595.67	87.35	434.59	7.32	Rebar tension fracture