Experimental Study on Seismic Fatigue Capacity of High- and Mild-Strength Structural Steels with and without Corrosion

Table 5

Results of S235 high cycle fatigue test for thicknesses: (a) 8 mm, (b) 12 mm, (c) 15 mm, and (d) 20 mm.

Diameter of specimen	Experimental fatigue limit	Fatigue limit from		The amount of difference with
		Shigley formula	Weibull formula	Shigley formula	Weibull formula
8	150	150 (reference)	150 (reference)	—	—
12	145	140	147	3%	−1.4%
15	135	137	146	−1.5%	−8%
20	115	133	144	−15%	−20%