ROAD PAVEMENT SURFACING OR REPAIRING METHOD AND METHOD OF REPAIRING ROAD PAVEMENT WITH GROOVES Russian patent published in 2009 - IPC E01C7/18 C04B26/26 E01C23/00 

FIELD: construction industry.

SUBSTANCE: invention refers to road construction industry and can be used during construction and repair of road pavements. Road pavement surfacing or repairing method involves levelling of the pavement till clearance level under a three-metre levelling board is not more than 3-5 mm, and laying thereon of protective and rough wearing coat. As protective and rough wearing coat, there used is dense asphalt mix containing the following, wt %: crushed stone obtained from hard-to-polish rocks with particle size of 3-10 mm or 5-15 mm - 65-70, sand of crushed hard-to-polish rock screening with particle size of up to 5 mm - 10-15, mineral limestone powder - 15-20, bitumen, above 100% of mineral part 5.5-6.5 with layer 15-25 mm thick, at the mixture temperature of 215-225°C, packing with vibratory beam of the asphalt laying machine at the speed of the latter of 1.0-2.0 m/min and pressing into the coating with the compactor. Method of repairing road pavement with grooves is described.

EFFECT: increasing service life of the road pavement, decreasing protective layer thickness at maintaining high operating characteristics.

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