COMPOSITION FOR SOIL STRENGTHENING, METHOD FOR SOIL STRENGTHENING, AND SOIL MIXTURE Russian patent published in 2018 - IPC E01C3/04 E01C7/36 E02D3/12 C09K17/12 

FIELD: construction.

SUBSTANCE: composition for strengthening the soil includes a cellulose ether and sodium silicate, diluted in water at the following ratio, wt %: cellulose ether 0.25-1.7, sodium silicate 0.3-7, water with a pH factor of more than 3 and a temperature up to 40°C - the rest. The method for strengthening the soil consists in treating the soil with cement and the above composition, mixing and compaction, wherein the cement is used in an amount of 2.3-6 wt % of the weight of the soil to be treated, and the above composition in an amount of 1.5-2 wt % of the weight of the soil to be treated. The soil mixture for road construction, obtained by the above method, contains, wt %: cellulose ether 0.0046-0.0315, sodium silicate 0.0055-0.129, water 1.55-1.95, cement 2.3-6, the soil is the rest.

EFFECT: increasing the strength and frost resistance of the soil mixture.

6 cl, 3 tbl