FIELD: mining.
SUBSTANCE: filling mixture compound including ground granulated blast-furnace slag, binding agent, inert filler and water contains the specified acid slag as binding agent with the following particle size distribution: less than 1 mcm - 4.3%, less than 3 mcm - 12.6%, less than 5 mcm - 17.2% and dolomite powder containing not less than 10% of particles with size of less than 1 mcm; wastes of wet magnetic separation of ferruginous quartzites as inert filler containing not less than 3.4% of particles with size of less than 1 mcm. In addition, composition includes surface active additive - superplasticising agent SP-1 at the following component ratio, wt %: the above slag 12, the above dolomite 10, the above wastes 60, water is the rest, and superplasticising agent SP-1 0.5% of slag.
EFFECT: larger volumes of utilised industrial wastes for sufficient improvement of environmental safety at maintaining the strength during 28 days.
1 ex, 2 tbl
Title | Year | Author | Number |
---|---|---|---|
FILLING MIXTURE COMPOSITION | 2010 |
|
RU2433274C1 |
FILLING MIXTURE COMPOUND | 2010 |
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|
RU2456456C1 |
STOWING MIX | 2010 |
|
RU2445464C1 |
COMPOSITION OF FILLING MASS | 2012 |
|
RU2513897C1 |
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RU2396435C1 |
STOWING COMPOSITION | 2013 |
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|
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Authors
Dates
2011-08-10—Published
2010-03-09—Filed