FIELD: manufacture of building and road- building materials. SUBSTANCE: objective of invention is to raise index of strength of asphalt concrete prepared on the basis of emulsion on compaction in dry, water saturated, and protractedly water saturated state, and to enhance adhesiveness with mineral filler. For that, water-in-oil emulsion is developed containing bitumen, 37.0-98.0%, and water, 1.0-24.0%, emulsifier, and a reagent extending emulsion efficiency range. The latter, which also functions as emulsifier, is heavy pyrolysis tar, 1.0-39.0%. EFFECT: improved strength of pavement. 3 tbl, 7 ex
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Authors
Dates
2002-12-10—Published
1999-10-05—Filed