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

Table 5

Crack condition of beams after fatigue loading.

Number	Fatigue	Number of cracks	Max width of crack/mm	Max length of crack on side/mm
	load level
A1, A2	0	—	—	—
A3	0.2	2	0.07	43
A4	0.2	1	0.08	41
A5	0.3	3	0.11	88
A6	0.3	3	0.21	102
B1, B2	0	—	—	—
B3	0.2	2	0.12	42
B4	0.2	1	0.09	49
B5	0.3	3	0.10	83
B6	0.3	2	0.10	92
B7	0.3	3	0.12	101
C1, C2	0	—	—	—
C3	0.2	3	0.10	41
C4	0.2	2	0.11	36
C5	0.3	4	0.12	102
C6	0.3	3	0.11	124