65 Terms
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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
Straightedge
Building materials; Concrete
A rigid and straight, piece of wood or metal used to strike off or screed a concrete surface to the proper grade, or to cheque the flatness of a finished grade.
Spall
Building materials; Concrete
A fragment, usually of flaky shape, detached from a larger mass by pressure, expansion from within the larger mass, a blow, or by the action of weather.
Slurry
Building materials; Concrete
A mixture of water and such finely divided materials, such as Portland cement, slag, or soil in suspension.
Slump loss
Building materials; Concrete
The amount by which the slump of freshly mixed concrete changes during a period of time after an initial slump test was made on a sample.
Slump cone
Building materials; Concrete
A metal mould in the form of a truncated cone with a top diameter of 4?, a bottom diameter of 8?, and a height of 12?, used to fabricate the specimen for a slump test.
Efflorescence
Building materials; Concrete
The process by which water leeches soluble salts out of concrete or mortar and deposits them on the surface. Also used as the name for these deposits.
Dry topping
Building materials; Concrete
A concrete surface treatment, such as color, hardening, or antiskid, which is applied to a concrete slab by shaking on a dry, granular material before the concrete has set and then troweling it in.
