FIELD: chemistry.
SUBSTANCE: invention relates to production porous aggregates for concrete. The mixture for making porous aggregate contains, wt %: montmorillonite clay 81.0-84.0, dolomite ground to specific surface area of 3000-3500 cm2/g 6.0-8.0, talc ground to specific surface area of 3000-3500 cm2/g 6.0-8.0, calcined soda 3.0-4.0, added in form of an aqueous solution while providing moisture content of the mixture of 18-20%.
EFFECT: high strength of the porous aggregate made from the mixture.
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