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

Rich mix

Building materials; Concrete

A mortar or concrete mix with a relatively high cement content. Fat mix is more easily spread and worked than a mix with the minimum amount of cement required for strength.

Retempering

Building materials; Concrete

The addition of water and remixing of concrete which has started to stiffen: usually not acceptable as it may affect the ultimate strength.

Saponification

Building materials; Concrete

The deposit of a grey scum or grey dust on the inside surface of a sub-grade wall or floor as the result of moisture moving through the concrete and washing certain chemicals from the concrete mass.

Sand

Building materials; Concrete

That portion of an aggregate passing the No. 4 (4. 76 mm) sieve and predominantly retained on the No. 200 (74 micron) sieve. (ASTM C125)

Sacking

Building materials; Concrete

Removing or alleviating defects on a concrete surface by applying a mixture of sand and cement to the moistened surface and rubbing with a coarse material such as burlap.

Slab on grade

Building materials; Concrete

A type of foundation with a concrete floor that is placed directly on the soil. The edge of the slab is usually thicker and acts as the footing for the walls.