Experimental Study on Flexural Fatigue Properties of Reinforced Concrete Beams after Salt Freezing

Table 8

Fatigue damage degree ρ of the test beam.

Freeze-thaw medium	Stress ratio	Freezing and thawing cycles	Fatigue damage degree ρ
Water	0.65	0	0.13
		50	0.10
		100	0.19
		150	0.09
NaCl	0.65	0	0.13
		50	0.13
		100	0.39
		150	0.25