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2 308 429

(13)

(51)

IPC

C04B22/00(2006-01-01)

C04B24/30(2006-01-01)

C04B103/14(2006-01-01)

(21) (22)

Application

2006111430/03, 2006-04-10

(24)

Start date

2006-04-10

(22)

Actual filing date

2006-04-10

(45)

Published

2007-10-20

(72)

Inventor

Dobshits Lev MikhajlovichFedunov Vladimir VladimirovichKruglov Valerij MikhajlovichSviridov Oleg StepanovichLomonosova Tat'Jana IonovnaKhizhnjak Vladimir Mikhajlovich

(73)

Holder

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

COMPLEX ADDITIVE FOR CONCRETE MIXES AND MORTARS Russian patent published in 2007 - IPC C04B22/00 C04B24/30 C04B103/14

Abstract RU 2308429 C1

FIELD: construction engineering; composition of concrete mixes and additives for them.

SUBSTANCE: proposed complex additive contains finely ground mineral component - waste of production process of ferro-silicon on base of SiO₂- micro-silica and additive C-3 and sodium nitrite at the following ratio of components, mass-%: micro-silica, 10-21; additive C-3, 14-32; sodium nitrite, 47-75.

EFFECT: increase of concrete strength in early hardening terms at retained high final strength.

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RU 2 308 429 C1

Authors

Dobshits Lev Mikhajlovich

Fedunov Vladimir Vladimirovich

Kruglov Valerij Mikhajlovich

Sviridov Oleg Stepanovich

Lomonosova Tat'Jana Ionovna

Khizhnjak Vladimir Mikhajlovich

Dates

2007-10-20—Published

2006-04-10—Filed