Fatigue Crack Propagation Behavior of RC Beams Strengthened with CFRP under High Temperature and High Humidity Environment

Table 2

Fatigue crack propagation test conditions and results.

Group	Specimen no.	Temperature (°C)	Humidity (% R · H)	Peak load	Stress ratio	Fatigue lives
				(kN)		(cycles)
A	A1	50	95	30.0	0.2	600001
	A2			27.5		654546
	A3			27.5		1190748
	A4			25.0		874760
	A5			22.5		5892062
B	B1	23	78	30.0	0.2	1010371
	B2			27.5		1405703
	B3			27.5		1073814
	B4			25.0		1750067