FIELD: building.
SUBSTANCE: invention relates to building compositions, specifically to powders for an asphalt concrete mixture, and can find an application in road building. Petroleum coke for an asphalt concrete mixture, characterised by consisting of coke powder with particle sizes of 1 to 5 mcm, mechanically activated at a temperature of 30 to 70°C.
EFFECT: increasing the operational properties of the road surface: water resistance, wear resistance, adsorption activity, and low production costs, and invention can also more effectively replace known mineral powders.
1 cl, 4 dwg
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