FIELD: chemistry.
SUBSTANCE: invention relates to industry of construction materials, in particular, to production of concrete wall blocks for low-rise construction. Concrete mixture includes, wt %: Portland cement 22-24; expanded clay gravel of 20-40 mm fraction 45.07-51.05; expanded clay sand of fraction to 5 mm 4-6; saponified rosin 0.03-0.05; superplasticiser C-3 0.3-0.4; 5-10 mm long asbestos fibre; 10-20 mm long polycaprolactam fibre 0.2-0.3; water 22-24.
EFFECT: increased strength.
1 tbl;
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| CONCRETE MIXTURE | 2011 |
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RU2472734C1 |
| CONCRETE MIXTURE | 2010 |
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RU2440943C1 |
| CONCRETE MIX | 2014 |
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RU2461525C1 |
| CONCRETE MIXTURE | 2012 |
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RU2493122C1 |
| CONCRETE MIXTURE | 2013 |
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RU2522569C1 |
| CONCRETE MIXTURE | 2011 |
|
RU2462428C1 |
| CONCRETE MIXTURE | 2012 |
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RU2505501C1 |
| CONCRETE MIX | 2014 |
|
RU2560446C1 |
