The Government of Canada’s terminology and linguistic data bank.

BIRD-CAGING [1 record]

Record 1 2000-11-30


Subject field(s)
  • Chains and Cables (Mechanical Components)
  • Strength of Materials
  • Engineering Tests and Reliability

Wire rope whose strands have been distorted into the shape of a birdcage by a sudden release of a load during a hoisting operation.


A lang-lay rope that has not been properly seized may open up and produce a condition known as "bird-caging".


(Ottawa Public Library) See Handbook of Rigging, 3rd ed., McGraw-Hill 1975, p. 71.

Key term(s)
  • wickering out


  • Câbles et chaînes (Composants mécaniques)
  • Résistance des matériaux
  • Fiabilité, contrôle et essais (Ingénierie)


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