Field glossary

Delamination

Concrete debonded from the steel over a corroding bar; sounds hollow under chain drag or hammer before it spalls

Used across 6 Anvilfield field guides, most in Concrete.

Also defined as

Paving: Separation of an asphalt layer from the one below at the bond line, often breaking up into potholes
A separation within the concrete, often at the reinforcing, that sounds hollow before it falls

Where this shows up