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

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, ...

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.

autoclave

Building materials; Concrete

A chamber in which an environment of steam and high pressure is produced. Used in curing of concrete products and in the testing of hydraulic cement for soundness.

anchor bolts

Building materials; Concrete

Steel bolts used to secure a wooden sill plate to concrete, masonry floor, or wall.

abrasion resistance

Building materials; Concrete

Resistance of a surface to being worn away by friction or a rubbing process.

absolute volume

Building materials; Concrete

The volume of an ingredient in its solid state, without voids between individual pieces or particles; in the case of fluids, the cubic content occupied. In concrete, the actual volume occupied by the ...

absorbed moisture

Building materials; Concrete

Moisture which is mechanically held in a material. In aggregates, water that is not available to become part of the mixing water is designated "absorbed" water.