STOWING MIX Russian patent published in 2012 - IPC E21F15/00 C04B28/08 C04B111/20 

FIELD: mining.

SUBSTANCE: stowing mix, containing crushed granulated blast-furnace slag, an inert filler, water and ground limestone, includes the specified acid slag of III grade, containing particles of less than 3 mcm - at least 13%, the specified limestone, containing particles of less than 3 mcm - 45%, the inert filler is represented by rock refuse from wet magnetic separation of ferruginous quartzites and additionally - a superplasticiser SP-1, at the following ratio of components, wt %: specified slag - 12; specified filler - 60; specified limestone - 10; superplasticiser SP-1 - 0.5 of slag content; water - balance.

EFFECT: reduced consumption of binders, higher strength of massif at the age of 28 days, wastes recycling, reduced contamination of environment.

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