Effect of Welding Residual Stress on Along-Wind Fatigue Life of Welded Joints in Guyed Mast

Table 1

Fatigue test results.

Stress amplitude S (MPa)		220	200	175	162.5	150	137.5	125
Cycles to failure N	1st group	20904	52365	153986	408972	1096349	1449875	3386537
	2nd group	11291	65401	135922	387740	1144660	1561927	2784066