| 摘要 |
FIELD: construction. ^ SUBSTANCE: high-strength concrete is made of a mixture of raw materials, which contains a complex additive from ferric hydroxide sol (III) with density of 1.021 g/cm3, hydrogen index 4.5-5.5 and a hyperplasticiser Peramin SMF-10, at their following ratio, accordingly, in wt %: 85.50-86.00 and 14.00-14.50 and the following ratio of raw materials mixture components, wt %: portland cement 20.60-27.40, sand 21.80-24.70, crushed stone 42.40-44.50, the specified additive 1.00-1.45, water 7.40-8.75. ^ EFFECT: increased compression strength of concrete. ^ 3 dwg, 1 tbl |
