Torsional interactions between mooring line components
Chaplin, C.R. (2005) Torsional interactions between mooring line components. In: Cordage Institute Annual Technical Meeting, San Antonio, TX, USA.
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To link to this item DOI: 10.4043/12173-MS
Six strand ropes generate torque under tension. This can lead to transfer of twist to other mooring line components, either permanently, or dynamically. The effects of this imposed twist can seriously affect strength and fatigue endurance. In order to predict the torsional interactions between components it is necessary to quantify the tension/torsion behavior of all the different categories of mooring line component, not just the six strand rope. This paper discusses the problems of torsional interaction and presents results of measurements of tension/torsion behavior of six strand rope, stud link chain and a PET fiber rope.