20 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
absorption
Building materials; Concrete
The process by which water is absorbed. The amount of water absorbed under specific conditions, usually expressed as percentage of the dry weight of the material.
accelerator
Building materials; Concrete
An admixture which, when added to concrete, mortar, or grout, increases the rate of hydration of the hydraulic cement, shortens the time of set and increases the rate of hardening or strength.
adiabatic curing
Building materials; Concrete
The maintenance of ambient conditions during the setting and hardening of concrete so that heat is neither lost nor gained from the surroundings of the concrete.
admixture
Building materials; Concrete
A material other than water, aggregates, and Portland cement that is used as an ingredient of concrete, and is added to the batch in small doses immediately before or during the mixing operation to ...
expansion joint
Building materials; Concrete
A surface divider joint that provides space for the surface to expand. It is usually composed of a fibrous material (~1/2" thick) and often installed in and around a concrete slab to permit it to ...
entrapped air
Building materials; Concrete
Air in concrete which is not purposely en-trained. Entrapped air bubbles are normally much larger and more irregular than entrained air bubbles.
entrained air
Building materials; Concrete
Microscopic air bubbles intentionally incorporated in mortar or concrete, to improve workability and durability (usually producing a higher degree of resistance to freezing and thawing).
