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Влияние органоминерального модификатора на физико-механические и деформативные свойства бетона

Влияние органоминерального модификатора на физико-механические и деформативные свойства бетона

Abstract

There is shown the possibility of increasing the complex of concrete mixture and concrete physical-and-technical properties when using an organic-mineral modifier that affects significantly physical-and-chemical processes of binders hardening. The optimum composition of the organic-mineral modifier was determined. To obtain the modifier there were used various organic and inorganic compounds. Comparative experiments were conducted with a super-plasticizer and water-repellent plasticizing additive to study the effect of the water-repellent organic-mineral agent on cement materials quality. The analysis results showed that strength of the concrete with the organic-mineral modifier was 1,7 to 1,8 higher as compared to the concrete without additives and 50 % higher as compared to the concrete with other modifiers. High prism strength of the concrete with the organic-mineral modifier (it exceeds more than 1,5 times the concrete composition without the modifier) indicates its crack growth resistance.

Показана возможность повышения комплекса физико-технических свойств бетонной смеси и бетона при использовании органоминерального модификатора, который существенно влияет на физико-химические процессы твердения вяжущих. Были определены оптимальные составы органоминерального модификатора. Для получения модификатора используются различные органические и неорганические соединения. Для исследования влияния гидрофобизирующего органоминерального модификатора на качество цементных материалов были проведены сравнительные опыты с суперпластификатором и гидрофобно-пластифицирующей добавкой. Анализ результатов показал, что прочность бетона с органоминеральным модификатором выше в 1,7–1,8 раза в сравнении с бетоном без добавок и на 50 % выше со сравниваемым бетоном с другими модификаторами. Высокая призменная прочность бетона с органоминеральным модификатором (она превышает более чем в 1,5 раза состав бетона без модификатора) указывает на высокую трещиностойкость.

Keywords

БЕТОН, БЕТОННАЯ СМЕСЬ, ОРГАНОМИНЕРАЛЬНЫЙ МОДИФИКАТОР, СУПЕРПЛАСТИФИКАТОР, ГИДРОФОБНО-ПЛАСТИФИЦИРУЮЩАЯ ДОБАВКА, ДЕФОРМАТИВНЫЕ СВОЙСТВА

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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