expansion joint

(redirected from expansion joints)
Also found in: Dictionary.

expansion joint

[ik′span·shən ‚jȯint]
(civil engineering)
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.
(geology)
(mechanical engineering)
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.

expansion joint

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

expansion joint

expansion joint, 1
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.
References in periodicals archive ?
Eddie Ross, Bear Scotland's North West representative, said: "This essential maintenance project will help ensure that the A87 Skye crossing continues to function properly and to a safe standard and follows on from our work to replace the expansion joints earlier this year.
The "Global Bridge Expansion Joints Market Size, Market Share, Application Analysis, Regional Outlook, Growth Trends, Key Players, Competitive Strategies and Forecasts, 2019-2027" report has been added to ResearchAndMarkets.com's offering.
[USPRwire, Mon Aug 19 2019] The market for Bridge Expansion Joints is growing with the expansion of this Industry Sector Worldwide.
It said tests carried out on the expansion joints revealed the need to replace a number of joints adding that in March, underwater confirmatory tests preceding the repair works to be done on the Bridge, were carried out on the piles to determine if there is further deterioration or not on the piles from that done in 2013.
M2 EQUITYBITES-August 16, 2017-Kadant Acquires Expansion Joint Manufacturer Unaflex for USD 31m
He added: "For the expansion joints, Belzona 2221, a tough polyurethane resin with outstanding flexible properties was applied.
Outokumpu stainless steel dowel bars are used in expansion joints for the movement of lateral loads and managing stress within the joint.
"We are putting in expansion joints that allow the pavement to move around and prevent buckling due to thermal expansion."
It offers great adhesion to most construction materials and is recommended for expansion joints between precast concrete panels and seams on wooden, aluminum and PVC joinery.
EMSEAL expansion joints are also being installed on the Basra Sports City Stadium in Basra, Iraq, which is under construction and scheduled to be completed later this year.
The consultant and contractor have been informed and the contractor has replaced the worst affected expansion joints as a temporary measure.