FIELD: building material, particularly to produce concrete articles for civil and industrial construction.
SUBSTANCE: raw mix for high-strength concrete obtaining involves Portland cement in amount of 43.21-44.40% by weight, sand in amount of 16.90-17.24% by weight, crushed stone in amount of 27.56-8.14 % by weight, silica containing component, namely sol of ortho-silicic acid H4SiO4 having pH=3.1-4.0 taken in amount of 0.26-0.27% by weight, additive, namely potassium formate CHOOK in amount of 0.06-0.07% by weight and water in amount of 10.82-11.07% by weight.
EFFECT: increased flexural strength, crack-resistance and water-tightness.
1 tbl
Title | Year | Author | Number |
---|---|---|---|
HIGH-STRENGTH CONCRETE | 2006 |
|
RU2332379C1 |
HIGH-STRENGTH CONCRETE | 2004 |
|
RU2256630C1 |
RAW MATERIAL MIXTURE | 2005 |
|
RU2278840C1 |
HIGHT-STRENTH CONCRETE | 2006 |
|
RU2332388C1 |
HIGH-STRENGTH CONCRETE | 2006 |
|
RU2323910C1 |
RAW MIXTURE | 2005 |
|
RU2278084C1 |
HIGH STRENGTH CONCRETE | 2022 |
|
RU2781587C1 |
BUILDING MORTAR | 2004 |
|
RU2270823C1 |
HIGH-STRENGTH CONCRETE | 2022 |
|
RU2778220C1 |
HIGHLY STRONG CONCRETE | 2012 |
|
RU2515665C2 |
Authors
Dates
2006-02-27—Published
2004-08-30—Filed