қылыптау негізі

қылыптау негізі

A permanent, fixed form, in which permanent pre-cast concrete forms are produced. . . Cement, Portland (ASTM C150) A powdery substance made by burning, at a high temperature, a mixture of clay and limestone producing lumps called ?clinkers? which are ground into a fine powder consisting of hydraulic calcium silicates.

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Parte de vorbire: substantiv
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Industrie/Domeniu: Materiale de construcţii
Categorie: Beton
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1) Reaction between the products of Portland cement (soluble calcium hydroxides), water and carbon dioxide to produce insoluble calcium carbonate (efflorescence). 2) Soft white, ...