Effects of Seawater Corrosion and Freeze-Thaw Cycles on Mechanical Properties of Fatigue Damaged Reinforced Concrete Beams

Table 7

Variation of fatigue cracks with different wet-dry cycles.

Number	Fatigue	Numbers of cracks				Max crack width/mm
	load level	0 cycles	33 cycles	66 cycles	100 cycles	0 cycles	33 cycles	66 cycles	100 cycles
B3	0.2	2	0	0	0	0.12	0	0	0
B4	0.2	1	1	1	0	0.09	0.05	0.04	0
B5	0.3	3	2	2	2	0.10	0.08	0.05	0.05
B6	0.3	2	1	1	0	0.10	0.07	0.06	0
B7	0.3	3	2	2	0	0.12	0.08	0.08	0