RADIO-ABSORBING ASPHALT-CONCRETE ROAD REPAIR COMPOSITION, METHOD FOR MANUFACTURE AND POURING THEREOF Russian patent published in 2018 - IPC C08L95/00 C04B14/14 C04B40/02 E01C7/18 E01C7/30 E01C13/06 C04B111/20 

FIELD: construction.

SUBSTANCE: invention relates to the repair and maintenance of coatings in the road industry and can be applied in the repair of asphalt concrete pavements made of various asphalt concrete. Radio-absorbing asphalt-concrete road repair composition of the invention includes screening of crushing of crushed stone, astringent and mineral powder, in this case, sand from the screening of rubble crushed stone of gabbro-diabase rocks with the size of fractions of 1–5 mm and/or nickel slag with the size of fractions of 1–5 mm is used as the screening for the crushing of rubble, as a mineral powder, a powder of gabbro-diabase and/or nickel slag with a size of fractions of 100–800 mcm is used, as well as limestone powder (calcareous flour), in a quantitative ratio: gabbro-diabase powder and/or nickel slag 50 wt. %, limestone powder 50 wt. %, and as an organic binder used petroleum road bitumen, polymer-bitumen astringent or petroleum bitumen, modified by additives. Quantitative ratio of the components in the composition is as follows: sand from screening crushed stone crushing 86–76 wt%, mineral powder 6–14 wt. %, an organic binder of 8–10 wt. %.

EFFECT: use of radio-absorbing material in the asphalt-concrete road repair composition contributes to the improvement of the performance characteristics of the asphalt-concrete road repair composition, economic benefit from the technology of its production and application, increase the service life of the new hardened pavement, resistant to aggressive media and ultraviolet radiation.

9 cl, 1 tbl