FIELD: building and construction.
SUBSTANCE: method for producing aggregate includes covering surface of porous chip with at least two layers of water-cement paste with the subsequent hardening of the said layers. Water cement applied for the said layers is made on the basis of different kinds of cement varying in physical and chemical characteristics, water cement applied for the last layer being made on the basis of waterproof high-expansion cement.
EFFECT: increased waterproof capacity of aggregate.
2 ex
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