FIELD: mining.
SUBSTANCE: invention is related to mining industry, namely to hardening fill mixtures. It includes filler, liquid sodium glass, gypsum, cement. Fill mixture is additionally supplemented with flocculant and martite-hematite iron ore, with the following ratio of mixture components: liquid sodium glass 20-22%; cement 1-2%; gypsum 1-2%; flocculant 0.002-0.004%; martite-hematite iron ore 1%; filler - the rest.
EFFECT: improved quality of technological properties of hardening fill mixture, reduced prime cost, increased bearing capacity of filled mass, reduced consumption of hardening solution and simplified technology of stripped area filling.
2 cl, 1 tbl
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Authors
Dates
2009-12-27—Published
2008-10-21—Filed