FIELD: chemistry.
SUBSTANCE: invention relates to composition of high-strength concrete and can be applied for manufacturing products in civil and industrial construction, as well as for erection of special-purpose structures. High-strength concrete contains, mass %: portlandconcrete 22.40-28.30, sand 23.60-26.00, crushed rock 36.40-39.60, Berlin blue sol with density p=1.013 g/cm³, pH=4.7...5.3 0.06-0.08, water 11.64-11.92.
EFFECT: increase of crack resistance and frost resistance of concrete.
1 tbl
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|
RU2433098C1 |
HIGH-STRENGTH CONCRETE | 2012 |
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RU2781587C1 |
HIGH-STRENGTH CONCRETE | 2006 |
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RU2323910C1 |
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RU2778220C1 |
CONCRETE MIXTURE | 2016 |
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RU2505500C1 |
HIGH-STRENGTH CONCRETE | 2004 |
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RU2256630C1 |
Authors
Dates
2008-08-27—Published
2006-12-11—Filed