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

Table 7

Cyclic fatigue test data of S355 steel made of 10 mm thick sheet.

Yield stress: 390 MPa			Ultimate stress: 542 MPa
Sample number	Sample diameter (mm)	Stress applied (MPa)	The number of cycles	Average number of cycles	Sample status at the end of the cycle
1	5.96	400	50895	50858	Failure
2	5.95		50432
3	5.99		51247
4	5.65	395	268396	255831	Failure
5	5.96		248659
6	5.99		250439
7	6.01	390	178459	182441	Failure
8	6.03		181432
9	5.92		187432
10	5.93	380	375242	361173	Failure
11	5.91		367529
12	5.92		340750
13	5.64	370	567476	554080	Failure
14	5.96		554375
15	5.96		540389
16	5.63	360	970450	964576	Failure
17	5.95		964389
18	5.96		958888
19	5.91	350	1259487	1265098	Failure
20	5.95		1260348
21	5.63		1275459
22	5.84	340	1659432	1715909	Failure
23	5.98		1740400
24	5.99		1747896
25	5.95	320	2059456	2013440	Failure
26	6.01		1979869
27	6.02		2000997
28	5.95	300	2687512	2654319	Failure
29	5.94		2679436
30	5.91		2596010
31	5.95	260	3459658	3443070	Failure
32	5.98		3654895
33	5.99		3214658
34	5.95	250	7524136	5757359	Failure
35	5.63		4500403
36	5.98		5247540
37	5.91	245	11095900	11298364	No failure
38	5.99		12694108
39	6.01		10105084
40	5.96	240	11454300	11455100	No failure
41	5.95		11564200
42	5.99		11346800
43	5.96	200	12897989	12890890	No failure
44	5.95		12984698
45	5.98		12789985