Fatigue life calculation for spiral strand steel wire rope?

Asked by cobiesmith 6 years, 8 months ago | 1 Answers

Anyone recommend a calculation for fatigue life for spiral strand steel wire rope?


1 Answer

1
ekwuemesam 6 years, 8 months ago

Fatigue life calculations can be calculated in accordance with API RP 2SK (reference 5) using the T-N curve.

NRM = K

Where
N: Number of cycles of load
R: Ratio of double amplitude to Minimum Breaking Strength
M: Slope of T-N curve
K: Intercept of T-N curve