FIELD: chemistry.
SUBSTANCE: invention relates to the industry of construction materials, specifically to making concrete wall blocks for low-height construction. The concrete mixture contains the following, wt %: portland cement 23.0-25.0; claydite with particle size of 10-20 mm 16.0-20.0; haydite sand 20.0-24.0; superplasticiser S-3 0.8-1.2, asbestos fibre cut into 10-50 mm pieces 1.0-1.5; quartz sand 8.0-12.0; water - the balance.
EFFECT: high frost resistance.
1 tbl
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| CONCRETE MIXTURE | 2012 |
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| CONCRETE MIXTURE | 2011 |
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| CONCRETE MIXTURE | 2012 |
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| CONCRETE MIXTURE | 2011 |
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| CONCRETE MIXTURE | 2013 |
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