FIELD: construction.
SUBSTANCE: crushed-stone-mastic asphalt-concrete mix, containing road bitumen, crushed stone, sand from crushing screenings, mineral powder, a stabilising additive, contains nepheline sludge as mineral powder, cordage fibre wastes with inclusions of rubber crumb produced in recycling of old car tyres as the stabilising additive, at the following ratio of components, wt %: crushed stone 65.0-74.0, sand from crushing screenings 13.0-19.0, nepheline sludge 11.0-19.0, road bitumen 6.5-7.5 above 100%, specified stabilising additive 0.2-0.9 above 100%.
EFFECT: increased strength and water resistance of asphalt concrete.
5 tbl
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