FIELD: construction; technological processes.
SUBSTANCE: invention relates to production of aggregates for concrete. Mixture for producing aggregate contains, wt%: montmorillonite clay 97.0-99.0, roofing felt and/or asphalt felt and/or pitch felt, ground into particles with area of 0.25-1 cm2, 1.0-3.0.
EFFECT: intensified process of firing aggregate made from mixture, recycling of used roofing materials.
1 cl, 1 tbl
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