METHOD FOR ARRANGEMENT OF URBAN ROAD SURFACES Russian patent published in 2014 - IPC E01C19/22 

FIELD: construction.

SUBSTANCE: method for arrangement of urban road surfaces consists in the fact that asphalt concrete mix is laid by an asphalt spreading machine equipped with a ramming bar and a vibrating board, and compaction is done by road rollers with appropriate modes of operation and weight characteristics. At the same time in the initial period of compaction, when the mix cools down the most, works are performed by a light vibration roller, next to the asphalt spreading machine, in the dynamic mode of operation at small amplitude and frequency of roller vibration (close to or equal to amplitude of the asphalt spreading machine vibrating board). After two passages of the vibration rollers they gradually increase dynamic impact at the compacted mix, further compaction is carried out by a heavy vibration roller in the dynamic mode of the light vibration roller at the last passage, and then - in the static mode, completing the entire process of asphalt concrete compaction. Compaction of the asphalt concrete mix is performed within strict temperature intervals with account of efficiency of the asphalt spreading machine, number of roller passages, its speed, type of the mixture and other characteristics, in the entire technological process of the coating device. After operation of the certain road roller it is necessary to perform the statistic control of thermomechanical characteristics of the asphalt-concrete mix: temperature of the coating surface and density of asphalt concrete, and with account of variation of any of controlled properties, if necessary, to vary amplitude and frequency of roller roll oscillations or number of passages along the track for achievement of the required density of the coating, also in the zone of inspection holes additional compaction must be performed with the vibrating board along the perimeter after operation of vibration rollers, upon completion of the process of asphalt-concrete mix compaction, quality of works must by controlled according to SNiP.06.03-85.

EFFECT: increased quality of compaction of an asphalt concrete mix, increased strength and durability of a coating.