ASPHALT CONCRETE MIXTURE Russian patent published in 2003 - IPC

Abstract RU 2204537 C2

FIELD: production of road-building materials. SUBSTANCE: asphalt concrete mixture comprises bitumen, mineral filler (stone materials), and powdered talcum-magnesite ore containing, wt%: magnesium oxide 25-35; iron oxides 7.1-10; calcium oxide 1.75-0.12; silicon dioxide 35-14; aluminum trioxide 1-0.3; carbon dioxide 27.5-38.5; water 0.05-2.08. Asphalt-concrete mixture comprises the following components, wt%: bitumen 6.3-7.0; mineral powder of mentioned composition 1.9-15.8; mineral filler (stone materials) in the form of chrysolite asbestos fractions of 5-20 mm size: (broken stone) 56.8-50; (sand) 35-27.2. EFFECT: reduced labor intensity and increased efficiency. 3 tbl

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RU 2 204 537 C2

Authors

Mullakhmetova G.A.

Dates

2003-05-20—Published

2000-10-20—Filed