FIELD: chemistry.
SUBSTANCE: invention relates to composition of a concrete mixture and can be used in the industry of building materials, particularly in production of light concrete wall blocks. The concrete mixture contains the following in wt %: portland cement 23.0-27.0, ash-slag filler 20.0-25.0, azerite gravel with packed density of 850 kg/m3 20.8-34.7, sodium methyl siliconate or sodium ethyl siliconate 0.3-0.7, water 20.0-25.0.
EFFECT: high water resistance of concrete.
1 tbl
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Authors
Dates
2013-01-20—Published
2011-09-30—Filed