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Pavement Interactive > Contraction joint

Contraction joint

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A sawed, formed, or tooled groove in a concrete slab that creates a weakened vertical plane. It regulates the location of the cracking caused by dimensional changes in the slab.

Related Articles:
  • PCC Joint Construction
  • Other Joints
  • Joints
  • Joint Design
  • Thin ACP Overlays on CRCP

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Pavement Interactive was developed by the Pavement Tools Consortium, a partnership between several state DOTs, the FHWA, and the University of Washington, as part of their effort to further develop and use computer-based pavement tools.