Field glossary

Air entrainment

Deliberate creation of tiny, stable, evenly spaced air bubbles in concrete using an admixture, for freeze-thaw and deicer durability

Used across 3 Anvilfield field guides, most in Concrete.

Also defined as

Tiny air bubbles folded into the mix, about 5 to 7 percent, that resist freeze-thaw scaling
Microscopic air bubbles added to the paste to resist freeze-thaw scaling and spalling

Where this shows up