FIELD: chemistry.
SUBSTANCE: invention relates to field of road construction, namely to production of road construction materials, and can be applied in structure and repair of highways. Method of obtaining mineral powder for asphalt-concrete mixture lies in thermal processing of non-traditional raw material, representing polymineral alumosilicate rocks, at temperature 500-600°C, with further dispersion of obtained products in order to obtain fine-disperse filling materials.
EFFECT: extension of nomenclature of raw materials for production of fillers of asphalt binding material due to application of widely spread raw material, which alumisilicate rocks of sedimentary strata belong to.
2 cl, 2 tbl, 2 dwg
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