ASPHALT CONCRETE Russian patent published in 2024 - IPC C04B26/26 E01C7/22 

FIELD: construction; chemistry.

SUBSTANCE: invention relates to road construction materials, in particular to compositions of mixtures for making asphalt concrete, and can be used in construction of roads, bridges and airfields. Asphalt concrete contains components in the following ratio, wt.%: crushed stone of 11.2–16 mm fraction — 28–35 and 4–8 mm fraction — 28–35; sand from crushing screenings — 28–36; mineral powder — 3–7; bitumen — 5.3–5.8 (over 100 wt.% of mineral part); low-pressure polyethylene — 3–20 (over 100 wt.% of bitumen); motor oil 0.1–5% of the weight of low-pressure polyethylene.

EFFECT: wider range of road construction materials used for production of asphalt concrete with corresponding operational characteristics and physical and mechanical properties.

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