ROAD PAVEMENT, ASPHALT COMPOSITION, A METHOD OF ITS PREPARATION AND A METHOD OF THE ROAD PAVEMENT LAYING Russian patent published in 2004 - IPC

FIELD: road pavement construction. SUBSTANCE: the invention presents a road pavement containing an asphalt composite material, composition of which includes asphalt oxygenated by an air blow at the presence of an acid, and the polymer containing the epoxy groups. The indicated road pavement represents such road pavement, which often is exposed to action of oil fractions of petroleum, and more concrete, it is used for the road pavement to the runway covering laid on the airfield landing sites of aerodromes, on strips of highways, assigned for the motor transport traffic, and or for carriageways of the fuelling stations. It also presents the method of preparation of such asphalt composite material and the mixture consisting of filler and an asphalt composite material of indicated type. The given asphalt composite material is earmarked preferably for laying the road pavement, that is often exposed to action of oil fractions of petroleum. The road pavement contains the polymer with epoxy groups within the limits of 0.1-5 %. EFFECT: the road pavement is very good for laying on highways, airport landing strips and road subjected to action of oil fractions of petroleum. 11 cl