FIELD: chemistry.
SUBSTANCE: raw material mixture for production of foamed concrete includes, parts by weight: 270-290 of portland cement, 270-290 of silica sand or fly ash, 1-1.5 of aluminium powder, 30-60 of foamed glass particles with fraction of 5-10 mm, 4.6 of 1 n NaOH solution, 180-220 of water with a temperature of 75-80 °C.
EFFECT: increased strength of foamed concrete.
1 tbl
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