FIELD: chemistry.
SUBSTANCE: asphalt-concrete mixture containing oil viscous bitumen, a filling agent, sand with fraction to 5 mm, crushed stone and an additive contains as crushed stone crushed granite with fraction 5-15 mm, as sand - sweepings of rock crushing, as the filling agent - sludge of HES water preparation and as the additive - a homogeneous short-fibre cellulose fibre and an organomineral modifier, containing sludge of HES water preparation, Portland cement, a polymer additive Butonal NS 198 and sodium pyrophosphate, with the following component ratio, wt %: oil viscous bitumen 6.3-6.9, crushed granite with fraction 5-15 mm 62.8-67.5, sweepings of rock crushing with fraction 0-5 mm 13.5-17.6, homogeneous short-fibre cellulose fibre 0.2, filling agent - sludge of HES water preparation 12.47-12.48, sludge of HES water preparation 0.0158-0.0238, Portland cement 0.0016-0.00235, polymer additive Butonal NS 198 0.0024-0.00357, sodium pyrophosphate 0.0002-0.00028.
EFFECT: increased water resistance of asphalt-concrete mixtures.
2 tbl
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Authors
Dates
2014-07-20—Published
2012-12-18—Filed