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What (who) is expansion joint - definition
CONSTRUCTION DETAIL DESIGNED TO ABSORB TEMPERATURE-INDUCED VOLUME CHANGES OF CONSTRUCTION PARTS
Expansion joints; Metallic Expansion Joints; Control point in concrete; Movement joint; Bellows expansion joint; Control joint; Control joints
![An expansion joint on the [[Cornish Main Line]], England](https://commons.wikimedia.org/wiki/Special:FilePath/Expansion joint, Hayle.jpg?width=200 "An expansion joint on the [[Cornish Main Line]], England")
![Single sphere rubber bellows expansion joint, with [[flange]]s.](https://commons.wikimedia.org/wiki/Special:FilePath/Flanged Rubber Bellows.jpg?width=200 "Single sphere rubber bellows expansion joint, with [[flange]]s.")
.jpg?width=200 "Stainless steel pipe expansion joint, with control rods.")
expansion joint
¦ noun a joint that makes allowance for thermal expansion of the parts joined without distortion.
Expansion joint
An expansion joint, or movement joint, is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials, and vibration, or to allow movement due to ground settlement or seismic activity. They are commonly found between sections of buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures.
Toroidal expansion joint
User:SylvIba/Toroidal expansion joint; Omega joint
A Toroidal expansion joint is a metallic assembly that consists of a series of toroidal convolutions which are circular tubes wrapped around pipe ends or weld ends and have a gap at the inside diameter to allow for axial stroke while absorbing changes in expansion or contraction of the pipe line.Toroidal Expansion Joint U.
Wikipedia
Expansion joint
An expansion joint, or movement joint, is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials. They are commonly found between sections of buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures.
Building faces, concrete slabs, and pipelines expand and contract due to warming and cooling from seasonal variation, or due to other heat sources. Before expansion joint gaps were built into these structures, they would crack under the stress induced.
Examples of use of expansion joint
1. Crack A slice of foam, no bigger than a crust of bread, fell off an expansion joint on Discovery‘s external fuel tank after Sunday‘s delay.
2. For instance, at least one expansion joint locked up, possibly pulling one of the bridge‘s piers out of alignment and leading to undetermined pressures on other parts of the bridge.
3. NASA replaced Discovery‘s fuel tank with one intended for Atlantis on the second post–Columbia flight, because it was quicker to add a heater to the expansion joint on that second tank.
4. Discovery was transported to the pad in April but removed May 26 after NASA determined that potentially deadly pieces of ice could form over an expansion joint on the external fuel tank after the super–chilled fuel was loaded.