ASPHALT-CONCRETE MIXTURE Russian patent published in 2021 - IPC C04B26/26 C08L95/00 C04B111/20 

FIELD: construction works.

SUBSTANCE: invention relates to construction materials, particularly, to compositions of an asphalt-concrete mixture and can be used in construction and repair of roads. Asphalt-concrete mixture for road construction, containing blast furnace slag, sand and bitumen, sand contains copper production wastes - copper slag of fractions 0.071–2.5 mm, mineral powder containing from 60–100 % of minerals of garnets at following ratio of components, wt. %: slag of domain fraction 5-40 mm - 45.0, petroleum road bitumen - 5.5, copper slag of fractions 0.071–2.5 mm - 43.5, said mineral powder of fraction 0.071–0.315 mm - 6.

EFFECT: technical result is increase in strength of asphalt concrete.

1 cl, 2 tbl