Building materials

Building materials

Any material used for or during the construction of buildings.

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Building materials > Concrete

pretensioning

Building materials; Concrete

A method of prestressing reinforced concrete in which the steel is stressed before the concrete has hardened and restrained from gaining its unstressed position by bond to the ...

prestressed concrete

Building materials; Concrete

Concrete in which stresses have been introduced which are opposite in sense to those that the structural member will be expected to carry during its use, which may eliminate the ...

pre-stressed concrete wire

Building materials; Concrete

Steel wire with a very high tensile strength, used in pre-stressed concrete. The wire is initially stressed close to its tensile strength. Then some of this load is transferred to ...

proportioning

Building materials; Concrete

Selection of proportions of material for concrete to make the most economical use of available materials to manufacture concrete of the required strength, placeability, and ...

preplaced concrete

Building materials; Concrete

Concrete manufactured by placing clean, graded coarse aggregate in a form and later injecting a Portland cement-sand grout under pressure, to fill the voids.

precast

Building materials; Concrete

A concrete unit, structure or member that is cast and cured in an area other than its final position or place.

Pozzolan

Building materials; Concrete

A mineral admixture. A siliceous, or siliceous and aluminous material, which in itself possesses little or no cementitious value but will, in a finely divided form, such as a ...