autogenous healing
A natural process of closing and filling cracks in concrete or mortar while it is kept damp.
Glossary
concrete
Glossary
automatic batcher
A batcher for concrete which is actuated by a single starter switch, opens automatically at the start of the weighing
Glossary
arrissing tool
A tool similar to a float, but having a form suitable for rounding an edge of freshly placed concrete.
Glossary
architectural concrete
1. Reinforced concrete used for structural and ornamental work. 2. In nonconcrete frame structures, the exposed concrete used for aesthetic
Glossary
angle float
A trowel having two edge surfaces bent at 90°; used to finish corners in freshly poured concrete and in plastering.
Glossary
air-entraining agent
An addition for hydraulic cement or an admixture for concrete or mortar which causes air to be incorporated in the
Glossary
air entraining
Descriptive of the capability of a material or process to develop a system of minute bubbles of air in cement
Glossary
air content
The volume of air voids in cement paste, mortar, or concrete, exclusive of pore space in aggregate particles, usually expressed
Glossary
agitating speed
The rate of rotation of the drum or blades of a truck mixer or other device used for agitation of