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Expansion Joint

Expansion Joint


  • Since concrete is subjected to volume change. Provision must be made to cater for the volume change by way of joint to relieve the stresses produced.
  • Expansion joint is function of length
  • Buildings longer than 45 m are generally provided with one or more expansion joints.
  • Material used as expansion joint material is armor board whose thickness is 25 mm.


Anies Azam

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