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contraction joint

noun, Architecture, Civil Engineering
a joint between two parts of a structure, designed to compensate for the contraction to which either part may be subject.
Origin of contraction joint
1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for contraction joint
  • The contraction joint sawing shall be performed as soon as possible after placement of concrete, to avoid random cracking.
  • Leader text updated from weakened plane joint to contraction joint to reflect current pavement terminology.
  • The maximum allowable contraction joint spacing is specified in the plans.
  • Except as otherwise provided for dowels, reinforcement is never continuous across a contraction joint.
  • In these instances about every third contraction joint opens while the two intermediate joints do not.

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