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

Table 13

Residual capacity results analysis.

Number	Fatigue	Yield strength	Reduction; %	Yield modulus	Reduction; %	Ultimate strength	Reduction; %
	load level	kN		kN/mm		kN
A1, A2	0	53.01	0	20.57	0	65.08	0
A3, A4	0.2	48.34	8.8%	21.38	−3.8%	60.84	6.5%
A5, A6	0.3	45.86	13.5%	17.58	17.0%	53.5	17.8%
B1, B2	0	50.97	3.8%	19.42	5.6%	60.28	7.4%
B3, B4	0.2	44.32	16.4%	19.29	6.6%	55.77	14.3%
B5, B6	0.3	40.21	24.1%	16.12	27.6%	50.23	22.8%
C1, C2	0	47.74	9.95%	18.15	11.8%	55.74	14.4%
C3, C4	0.2	44.62	15.8%	15.83	23.0%	52.44	19.4%
C5, C6	0.3	40.64	23.3%	15.25	34.9%	47.63	26.8%