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(19)

(11)

2 270 818

(13)

(51)

IPC

C04B28/04(2006-01-01)

C04B22/08(2006-01-01)

C04B24/04(2006-01-01)

C04B111/20(2006-01-01)

(21) (22)

Application

2004126394/03, 2004-08-30

(24)

Start date

2004-08-30

(22)

Actual filing date

2004-08-30

(45)

Published

2006-02-27

(72)

Inventor

Svatovskaja Larisa BorisovnaSolov'Eva Valentina JakovlevnaKomokhov Pavel Grigor'EvichStepanova Irina Vital'EvnaSycheva Anastasija MaksimovnaSmirnova Tat'Jana Vladimirovna

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Putej Soobshchenija Ministerstva Putej Soobshchenija Rossijskoj Federatsii"

RAW MIX Russian patent published in 2006 - IPC C04B28/04 C04B22/08 C04B24/04 C04B111/20

Abstract RU 2270818 C1

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

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RU 2 270 818 C1

Authors

Svatovskaja Larisa Borisovna

Solov'Eva Valentina Jakovlevna

Komokhov Pavel Grigor'Evich

Stepanova Irina Vital'Evna

Sycheva Anastasija Maksimovna

Smirnova Tat'Jana Vladimirovna

Dates

2006-02-27—Published

2004-08-30—Filed