Bonding Performance of CFRP-Steel Interface after Continuous High Temperature

Table 3

Maximum temperature duration versus theoretical calculated ultimate shear stress.

Maximum temperature duration (min)	Temperature (°C)	Theoretical calculation of ultimate shear stress (MPa)	Strength reduction factor (μ)
0	25	6.0006	1.0000
120	100	3.7907	0.6317
0	150	5.3133	0.8855
60	150	4.7668	0.7944
120	150	3.2687	0.5447
0	200	4.5235	0.7538
30	200	4.3626	0.7270
60	200	3.9638	0.6606
90	200	3.3270	0.5544
120	200	2.4524	0.4087
0	300	2.0611	0.3435
60	300	1.4749	0.2458
120	300	−0.0629	0