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Glossary
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Contraction Joint

Contraction Joint

What is a Contraction Joint?

Contraction Joints are joints placed in concrete at regular intervals so that concrete cracks where contraction joints are located instead of at random locations throughout the concrete.

More In-depth Definition of Contraction Joint

Contraction Joints are used because slabs naturally have dimensional changes over time. When people refer to a “jointâ€

Example of a Contraction Joint

A control joint in concrete to manage shrinkage cracks.