FIELD: construction materials.
SUBSTANCE: invention relates to production of construction materials and specifically to a crude mixture for making sulphate-resistant ash concrete, and can be used in making concrete and mortar. Raw material mixture for production of sulphate-resistant ash concrete contains portland cement, aluminosilicate additive and water, wherein aluminosilicate additive used is enriched ash-slag mixture of hydraulic removal of thermal power plants with particle size from 100 nm to 100 mcm, and additionally crude mixture contains superplasticiser C-3 in following ratio of components, wt.%: portland cement – 46-56; aluminosilicate additive – 19-31; superplasticiser C-3 – 0.5-1; water – balance.
EFFECT: high strength and sulphate corrosion resistance of ash concrete.
1 cl, 1 tbl, 3 ex
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