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Fatigue life calculation for spiral strand steel wire rope?

asked Jan 21, 2015 in Calculation by GerritMcLane (870 points)
Anyone recommend a calculation for fatigue life for spiral strand steel wire rope?

1 Answer

+1 vote
answered Jan 21, 2015 by ekwuemesam (3,660 points)

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

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