FIELD: construction.
SUBSTANCE: invention relates to production of construction materials and compositions of crude mixtures for making bricks, which can be used to build low-rise buildings. Crude mix for making bricks includes, wt. %: sawdust sifted through sieve No. 5 8.0–10.0; quartz sand 65.85–69.9; portland cement 22.0–24.0; soap stock 0.1–0.15, with a water-cement ratio of 0.55–0.6.
EFFECT: high frost resistance of bricks.
1 cl, 1 tbl
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