FIELD: construction.
SUBSTANCE: invention relates to construction of road bases and bases of utilities and can be used for reinforcement of sand. Organomineral additive for reinforcing sand, containing ground saponite-containing material, extracted from pulp of tail storage of industrial ore concentration of diamond deposits, characterised by that it contains said saponite-containing material, ground to particle size 307±83 nm, and additionally binder - 5 % solution of glyoxal, in following ratio of components, in wt% sand soil: said glyoxal - 0.52; said saponite-containing material 17.
EFFECT: technical result is improved strength characteristics of sand soil.
1 cl, 2 tbl, 2 dwg
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