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expansion joint[ik′span·shən ‚jȯint]
In masonry, a flexible bituminous fiber strip used to separate blocks or units of concrete to prevent cracking caused by thermally induced expansion and contraction.
A union or gap between adjacent parts of a building, structure, or concrete work that permits the relative movement caused by temperature changes to occur without rupture or damage.
A joint between parts of a structure or machine to avoid distortion when subjected to temperature change.
A pipe coupling which, under temperature change, allows movement of a piping system without hazard to associated equipment.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Designed to permit the expansion or contraction due to temperature changes. It generally extends through the entire structure from the footings to the roof.See also: Joint
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
1.A joint or gap between adjacent parts of a building, structure, or concrete work which permits their relative movement due to temperature changes (or other conditions) without rupture or damage.
2. An expansion bend.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.