Experimental Study on Bonding Properties between Finishing Rolled Rebar and Grouting Material

Table 2

Test results of bond strength of specimens with different cover thicknesses.

Number	C (mm)	D (mm)	c/d	Fu (kN)	τu (MPa)	τu,m(MPa)
A1-1	40	20	2.0	147.38	19.56	19.43
A1-2				146.43	19.43
A1-3				145.48	19.30
A2-1	50	20	2.5	152.94	20.29	20.25
A2-2				151.56	20.11
A2-3				153.31	20.34
A3-1	60	20	3.0	159.67	21.19	21.17
A3-2				159.50	21.17
A3-3				159.33	21.14
A4-1	65	20	3.25	162.70	21.58	20.58
A4-2				149.40	19.83
A4-3				153.25	20.33
B1-1	65	16	4.06	160.94	26.69	25.35
B1-2				130.02	21.56
B1-3				167.68	27.80
B2-1	65	18	3.61	125.63	18.53	21.02
B2-2				148.00	21.83
B2-3				153.98	22.71
B3-1	65	25	2.6	146.43	15.54	16.98
B3-2				166.17	17.64
B3-3				167.40	17.77