FIELD: building materials, particularly for hydraulic and industrial building, namely for creating ground-filled structures, that is embankments, dams, highways, piles and so on, and bases thereof.
SUBSTANCE: ground-fill composition based on mixture including carbon, fluorides and oxides, fluorine salts and sodium salts comprises sludge deposits formed during aluminum production in the following amounts: free and bound carbon - 7,0 - 70,0 % by weight, fluorides and fluorine salts in amount of 5,0 - 40,0 % by weight, aluminum oxide - 2,0 - 40,0 % by weight, sodium oxide and salts - 3,0 - 30,0 % by weight, remainder (ferric oxide, silicon oxide, gummy, bound water and so on) - 1,0 - 20,0 % by weight.
EFFECT: possibility to utilize waste, improved ecology and reduces cost.
1 ex
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