FIELD: construction.
SUBSTANCE: invention relates to production of construction materials, particularly, to production of wall blocks. Raw mixture for light fibre concrete production contains, wt. %: Portland cement M500 D0 22.50–23.75, river sand 76.25–77.50, sewage sludge combustion ash 5.0–10.0 (based on said cement weight), tempering water to W/D 0.5.
EFFECT: technical result is upgraded strength of light corrugated concrete, recycling wastes.
1 cl, 4 tbl, 5 ex
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