6 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
laitance
Building materials; Concrete
A residue of weak and non-durable material consisting of cement, aggregate, fines, or impurities brought to the surface of overwet concrete by the bleeding water.
keyway
Building materials; Concrete
A recess or groove in one lift or placement of concrete that is filled with concrete of the next lift, giving shear strength to the joint.
jacking equipment
Building materials; Concrete
In prestress concrete, the device used to stress the tendons.
key
Building materials; Concrete
A slot formed into a concrete surface for the purpose of interlocking with a subsequent pour of concrete.
kelly ball
Building materials; Concrete
A device for determining the consistency of fresh concrete, sometimes used as an alternative to the slump test.
keene's cement
Building materials; Concrete
A finely ground high density plaster composed of anhydrous, (calcined or "dead burned") gypsum, the set of which is accelerated by the addition of other materials.
joint
Building materials; Concrete
Position where two or more building materials, components or assemblies are put together, fixed or united, with or without the use of extra jointing products. The location between the touching ...
