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. Raw material mixture for making bricks includes, % by weight: screened sieves No. 5 sawdust 5.0–7.0; quartz sand 62.75–69.8; Portland cement 25.0–30.0; lignosulfonate technical modified LSTM-2 or LMG 0.2–0.25, at water-cement ratio 0.5–0.55.
EFFECT: technical effect: high frost resistance of bricks.
1 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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| CRUDE MIXTURE FOR MAKING BRICK | 2012 |
|
RU2491245C1 |
