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answered Jul 22, 2014 by wangroc (3,280 points)

Based on general experience in the industry, compared to spiral strand wire rope, polyester rope is an alternative providing the same capacity of station keeping while presenting the following advantages:

  • Lighter weight
  • Lower mooring pretension and thus lower pull-in loads
  • Lower mooring loads
  • Excellent fatigue life, low axial stiffness results lower tension-tension and  OPB fatigue in the chain sections
  • No corrosion related issues
  • Ease of handling during installation

 
It has been shown that mooring system with polyester rope can deliver satisfactory performance for the spread mooring system.

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