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

Plane of weakness

Building materials; Concrete

The plane along which a structure under stress will tend to fracture; may exist because of the nature of the structure and its loading, by accident or by design.

Pour

Building materials; Concrete

To cast concrete. A pour is an increment of concrete casting carried out without interruption.

Post-tensioning

Building materials; Concrete

A method of prestressing concrete in which tendons are tensioned after the concrete has hardened.

Portland-Pozzolan Cement

Building materials; Concrete

The product obtained by intimately intergrinding a mixture of Portland-cement clinker and pozzolan, or an intimate and uniform blend of Portland cement and fine pozzolan. (ASTM C 595)

Polyethylene

Building materials; Concrete

A thermoplastic widely used in sheet form for vapour retarders, moisture barriers, and temporary construction coverings.

Porosity

Building materials; Concrete

The ratio of the volume of voids in the material to the total volume of the material, including the voids, usually expressed as a percentage.

Portland Cement

Building materials; Concrete

A special synthetic blend of limestone and clay used to make concrete which is generally believed to be stronger, more durable, and more consistent than concrete made from natural cement. It is a ...