Experimental Study on Bond Behavior of FRP-Concrete Interface in Hygrothermal Environment

Table 2

Details of the double shear tests.

Group number	Hygrothermal conditions	Specimens number	Ultimate load (/kN)
A-1	Air environment untreated	A-1-1	23.2
		A-1-2	20.0
		A-1-3	24.1
B-1	5°C, 95% RH, 14 days	B-1-1	18.3
		B-1-2	20.5
		B-1-3	17.9
B-2	25°C, 95% RH, 14 days	B-2-1	16.8
		B-2-2	17.3
		B-2-3	17.6
		B-2-4	16.8
B-3 (C-3)	60°C, 95% RH, 14 days	B-3-1	17.2
		B-3-2	16.0
		B-3-3	15.3
		B-3-4	16.4
C-1	60°C, 60% RH, 14 days	C-1-1	17.9
		C-1-2	19.2
		C-1-3	20.0
C-2	60°C, 75% RH, 14 days	C-2-1	20.4
		C-2-2	17.5
		C-2-3	17.1