FIELD: chemistry.
SUBSTANCE: invention relates to the industry of construction materials and specifically to a concrete mixture for making concrete wall blocks for low-height construction. The concrete mixture contains the following in wt %: portland cement 21-24, keramsite gravel 27-31, keramsite sand 5-7, expanded perlite sand 5-7, saponified rosin 0.001-0.0012, superplasticiser S-3 0.9-1.3, ground glass 18-20, water - the rest.
EFFECT: higher concrete strength.
1 tbl
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Authors
Dates
2012-01-27—Published
2010-10-01—Filed