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ANTI-FREEZE ADDITIVES FOR CONCRETE TRANSPORT STRUCTURES

CONCRETE

UDC 666.971.16

Dobshits, L. M. DSc in Engineering, Professor, Russian University of Transport (MIIT), Moscow, Russia

Nikolaeva, A. A. PhD student, Russian University of Transport (MIIT), Moscow, Russia

Alitinform №3 (56) 2019 г. 34-40 p.

Abstract

The results of the studies on the development of complex anti-freeze additives for concrete, intended for cold-weather concreting without heating of the reinforced concrete transport structures, are presented herein. A number of such additives has been created, which makes it possible to keep rapid race of cold-weather concreting of the reinforced concrete transport structures without heating.

The developed complex anti-freeze additives allow concreting without heating at temperatures of 18–25 °C below zero. The advantages of the concretes with such additives include the ability to increase quality, strength, crack resistance and workability, as well as to reduce cement consumption.

Key words:

anti-freeze additives, concrete, cold weather concreting

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