Building materials

Building materials

Any material used for or during the construction of buildings.

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Building materials > 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 ...