METHOD FOR APPLYING IMPREGNATING COMPOSITION BASED ON BITUMEN FOR TREATMENT OF ASPHALT CONCRETE PAVEMENTS Russian patent published in 2021 - IPC E01C7/35 C08L95/00

Abstract RU 2755194 C1

FIELD: road construction.

SUBSTANCE: invention relates to the field of road construction. The method for accelerating the hardening of a water-based bitumen-containing impregnating composition on a road surface includes the following steps: the surface of the laid road surface is cleaned of dirt, then a water-based bitumen-containing impregnating composition without solvents is applied to the surface of the road surface and leveled with a thin uniform layer, in the period from the moment of application of the specified impregnating composition and until it is completely dry, an aqueous solution containing CaCl₂is sprayed over the impregnating composition, which causes rapid polymerization of the impregnating composition. The invention is developed in the subclaims.

EFFECT: simplification of the technology of laying a protective road surface and reduction of its drying time to a condition suitable for use.

6 cl

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RU 2 755 194 C1

Authors

Gavrilin Pavel Alekseevich

Dates

2021-09-14—Published

2021-01-25—Filed