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Добавки-ускорители полифункционального действия для шлакопортландцементов

Добавки-ускорители полифункционального действия для шлакопортландцементов

Abstract

Исследовано влияние добавок-ускорителей на твердение и свойства бетонов на шлакопортландцементах. В качестве ускорителей использовали высокоактивные минеральные добавки микрокремнезем и метакаолин, а также формиаты натрия и кальция. Выявлено, что наиболее эффективными ускорителями твердения и модификаторами структуры цементного камня бетона на основе шлакопортландцементов являются комплексы, включающие поликарбоксилатный суперпластификатор Glenium Ace 430 с формиатом натрия и Ace 430 с микрокремнеземом.

The effect of accelerating admixtures for curing and properties of concrete on the basis of slag Portland cement is examined. Such highly active mineral admixtures as microsilica, metakaolin, sodium formate and calcium formate are used as accelerators. It’s found out that the most effective hardeners and modifiers of a concrete matrix structure are the complexes including polycarboxylate superplasticizer Glenium Ace 430 with sodium formate and Ace 430 with microsilica.

Keywords

ДОБАВКИ-УСКОРИТЕЛИ, МЕТАКАОЛИН, МИКРОКРЕМНЕЗЕМ, ШЛАКОПОРТЛАНДЦЕМЕНТЫ (ШПЦ), ПРОЧНОСТЬ, МОРОЗОСТОЙКОСТЬ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold