RR207 - Review of low cycle fatigue resistance
The S-N method of fatigue life assessment is stress based, and is only fully applicable to cyclic stresses in the elastic range. However, in offshore installations the presence of stress concentrations at nodes and other connections can, in some circumstances, lead to cyclic stresses that exceed the yield stress of the material locally. This study is aimed at reviewing the current status of design advice and more recent experimental data with the objective of evaluating the treatment of high stress ranges.
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