FIELD: construction materials.
SUBSTANCE: invention relates to construction materials, particularly to production of foam concrete used in low-height construction. Crude mixture for creating aerated concrete comprises, by weight: portland cement – 270–290, quartz sand – 270–290, aluminum powder – 2–2.5, sodium metasilicate – 0.1–0.15, 1 n. solution of NaOH – 1–1.5, synthetic vanillin – 0.01–0.03, water with at a temperature of 55–75 °C – 180–220.
EFFECT: technical result is a simplified technology of aerated concrete preparation, increased frost resistance.
1 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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RU2642749C1 |
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|
RU2489382C1 |
