Concrete

Concrete

Referring to an artificial, stonelike material used for various structural purposes, that is made from the drying and hardening of cement.

Industry: Building materials

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Concrete

The amount of entrained or entrapped air in concrete or mortar, exclusive of pore space in aggregate particles, usually expressed as a percentage of total volume of concrete or mortar. A controlled ...

Air entraining agent

Building materials; Concrete

An addition for hydraulic cement, or an admixture for concrete or mortar which entrains air in the form of minute bubbles in the concrete or mortar during mixing usually to increase its workability ...

Air entraining agent

Building materials; Concrete

Air permeability test

Building materials; Concrete

A procedure for determining the fineness of powdered material such as cement.

Alkali-silica reactivity (ASR)

Building materials; Concrete

The reaction of aggregates, which contain some form of silica or carbonates with sodium oxides or potassium oxides in cement, particularly in warm, moist climates or environments, causing expansion, ...

Alkali-silica reactivity (ASR)

Building materials; Concrete

Aluminous cement

Building materials; Concrete

A hydraulic cement in which the principal constituents are calcium aluminates, instead of calcium silicates which comprise the major ingredients of Portland cement.