Introduction

Mooring Materials Application Program Links

 

 

Working Range

 

 

Synthetic materials have the further advantage of have a high elasticity. This allows it to absorb shocks in the system that would otherwise break a steel wire or chain. From the graph on the right it is possible to see that the working range of polyester is greater than that of steel wire.

 

Steel

1  Highly linear load extension to yield point

2  Insighnificant hysteresis loops up to yield point

3  Significant creep only above yield point

 

Polyester

1  Initial non-linear load extension

Hysteresis loops

Creep with constant tension in the working load

 

Having a high elasticity is beneficial for the mooring system as the margin till failure is much greater than if plastic deformation occurs rapidly.

 

 Fatigue

 

     MB Load vs.

  diameter

     Weight vs.

  diameter

   
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