Evaluation on the Bond Capacity of the Fire-Protected FRP Bonded to Concrete Under High Temperature

International Journal of Concrete Structures and Materials

Table 1 Specimen list.

Specimen name^a	Strengthening method	Fire protection	Thickness of insulator (mm)		Stress acting on FRP^b
Specimen name^a	Strengthening method	Fire protection	Front	Sides	Stress acting on FRP^b
E-F0-S0	Externally bonded	None	None	None	Increase up to failure
E-F25-S0		Front	25	None	0.4P_n-E
E-F45-S0		Front	45	None
E-F25-S15		Front and sides	25	15
E-F45-S15		Front and sides	45	15
N-F0-S0	Near-Surface-Mounted	None	None·	None	Increase up to failure
N-F25-S0		Front	25	None	0.4P_n-N
N-F45-S0		Front	45	None
N-F25-S15		Front and sides	25	15
N-F45-S15		Front and sides	45	15

^aE Externally bonded, N near surfaced mounted, F front insulation, S side insulation.
^bP_n-E and P_n-N: Bond strengths achieved from the tensile test of E-F0-S0 and N-F0-S0 without exposure to high temperature, respectively.