FIELD: chemistry.
SUBSTANCE: invention relates to raw material mixture for concrete production and can be applied in industry of building materials, in particular, in manufacturing products from concretes. Raw material mixture for concrete production contains, wt %: Portland cement 24-26; ash of coal burning 71.5-73.5; polyaminotriazole fibre cut into 5-15 mm long segments 1-1.5; sodium methylsiliconate 1-1.5, with water-cement ratio 0.45-0.5.
EFFECT: increased concrete strength.
1 tbl
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