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Развитие теоретических представлений влияния коксовой пыли на структурообразование цементных композитов

Развитие теоретических представлений влияния коксовой пыли на структурообразование цементных композитов

Abstract

The article presents theoretical study of structure formation of coke dust in cement composites with the introduction of fine-grained particles on the basis of the fundamental propositions of colloid chemistry and physicochemical mechanics of disperse systems. According to optical microscopy and magnification of fragments of characteristic structure we defined geometric properties and the nature of the microstructure of the structural elements of coal, coke and coke dust particles. It was shown that the microstructure of coke during its manufacturing does not change and corresponds exactly to the microstructure of coal. It was determined that the interaction of coke particles with elements of the structure of cement stone is carried out under the influence of their main components - a mixed coal electroconductivity and surface electrical properties. The article represents the theory of influence of coke dust on the processes of structure formation of cement stone, mortar and concrete. It was determined that during the hardening of cement stone the particles of coke dust will adagulate to the surface of grain filler

На основании фундаментальных положений коллоидной химии и физико-химической механики дисперсных систем выполнено теоретическое обоснование процессов структурообразования в цементных композитах при введении в их состав высокодисперсных частиц коксовой пыли. Показано, что взаимодействие коксовых частиц с элементами структуры цементного камня осуществляются под влиянием их главной составляющей – смешанной электропроводности угля и электроповерхностных свойств

На підставі фундаментальних положень колоїдної хімії та фізико-хімічної механіки дисперсних систем виконано теоретичне обґрунтування процесів структуроутворення в цементних композитах при введенні до їх складу високодисперсних частинок коксового пилу. Показано, що взаємодія коксових частинок з елементами структури цементного каменю здійснюються під впливом їх головної складової - змішаної електропровідності вугілля і електроповерхневих властивостей

Keywords

УДК 666.972+691.322, коксовий пил; електропровідність; електроповерхневі властивості; цементний камінь; бетон, коксовая пыль; электропроводность; электроповерхностные свойства; цементный камень; бетон, coke dust; electroconductivity; surface electrical properties; cement stone; concrete

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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