| 摘要 |
FIELD: construction. ^ SUBSTANCE: invention is related to the field of road construction materials. Method for reinforcement of asphalt concrete mix by means of asbestos fibers introduction in its composition, consists in the fact that asbestos fibers are introduced in asphalt concrete mix, previously mixing it with mineral powder at mass ratio of asbestos fibers/mineral powder equal to 0.024-0.363, with further addition of chrysotile-asbestos fractions to prepared mixture with particle size of 0-5 mm, crushed stone (fractions of chrysotile-asbestos) with chip size of 5-20 mm, bitumen and additive Amdor-9 (mixture of polyaminoamids and polyaminoimidosolins) at the following ratio of components, wt %: asbestos fibers of class 0.075-0.5 mm - 0.135-2.64, fractions of chrysotile-asbestos with the following size, mm: 0-5 - 34.88-39.12, size of 5-20 - 53.26-44.59, mineral powder - 5.63-7.28, bitumen BND 90/130 6.064-6.338, additive "Amdor-9" - 0.031-0.032. ^ EFFECT: lowering expenses for production of asphalt concrete mixes and emission of pollutants in environment. ^ 4 tbl, 2 ex, 1 dwg |
