FIELD: roadway coverings. SUBSTANCE: invention aims at producing powder with reduced porosity and swelling and thereby at increasing water resistance and strength (20 C) of asphalt-concrete mix including this powder. Mineral powder contains mineral constituent (basis) and heavy coal-tar products as organic constituent (2-5%). EFFECT: reduced bitumen intake and improved service characteristics of roadway covering. 3 tbl
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| COMPOUND FOR BUILDING BASE OF MOTOR ROAD | 1996 |
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