FIELD: chemistry.
SUBSTANCE: raw material mixture for concrete production contains, wt %: Portland cement 27.0-31.0; TPP fly ash 52.3-58.9; superplasticiser S-3 0.8-1.4; sodium ethylsiliconate or sodium methylsiliconate 0.2-0.5; 5-30 mm long lavsan fibre 0.05-0.1; water 13.0-15.0.
EFFECT: reduction of cement consumption with provision of concrete strength.
1 tbl
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