FIELD: chemistry.
SUBSTANCE: bitumen-concrete mixture contains crushed rock, sand and oil bitumen BND 90/130, nano-modified with a mechanically activated mixture of rubber crumbs with an additive, where the bitumen is modified using rubber crumbs with size of 0.25 mm and the additive is natural zeolite, with the following ratio of ingredients, wt %: said bitumen 93.0 of the weight of the rubber-bitumen mixture, said crumbs 7.0 of the weight of the rubber-bitumen mixture, natural zeolite 2.0 of the weight of the rubber crumbs.
EFFECT: high plasticity at subzero temperatures.
1 ex, 6 tbl
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|
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| DENSE VIBRO CAST ASPHALT-CONCRETE MIXTURE | 2012 |
|
RU2504523C1 |
| BITUMEN MASTIC | 2021 |
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RU2762558C1 |
