Building material made from cement, sand, stone and water.

Romans first use concrete around 200BC.

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Density 2400 kgm-3Clip
Tensile strength ~4E6 Nm-2Clip
Youngs modulus 14000000 Nm-2Clip
Linear expansivity 0.000012 K-1Clip
Specific heat capacity 3350 Jkg-1K-1Clip
Thermal conductivity 0.1 Wm-1K-1Clip
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See also: Abram′s Law, Aerated Conrete, Cement Mixtures, Concrete Aggregate, Concrete Bullfloat, Masonry, Pneumatic Form, Precast Concrete, Pre-Stressed Concrete, Reinforced Concrete, Thin Shell Concrete Structure.

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Subjects: Chemistry Civil Engineering

Indian Concrete Journal Founded 1927 and since then it is relentlessly disseminating latest technological progress in the spheres of civil and structural engineering, cement and concrete technologies and construction.