FIELD: concrete article production, particularly to manufacture building and finishing decorative panels, paving and road coatings.
SUBSTANCE: composition comprises cement, crushed stone, sand, plasticizer and water. The plasticizer is oil-containing sludge. All above components are taken in the following amounts (parts by weight): cement - 450, sand - 100-560, crashed stone - 1000, oil containing sludge - 100-560, water - 150. Oil containing sludge comprises oil products in amount of not more than 200 g/kg.
EFFECT: increased strength properties and possibility to utilize waste from car-repair, engineering and other plants.
2 cl, 1 tbl
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