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Бесцементное вяжущее из зольно-кремнеземистых композиций

Бесцементное вяжущее из зольно-кремнеземистых композиций

Abstract

Приведены результаты исследований по разработке составов бесцементного вяжущего на основе зольно-кремнеземистых композиций с использованием попутных продуктов топливно-энергетической и металлургической отраслей промышленности: высококальциевой золы-унос, ультрадисперсного микрокремнезема и солевых (минерализованных) стоков, образующихся при аффинаже драгоценных и цветных металлов. Представлены данные по влиянию отдельных компонентов на фазовый состав, микроструктуру и физико-механические характеристики композиции. Показано, что при оптимальном сочетании попутных продуктов с добавлением активизатора твердения возможно получение бесцементного вяжущего с прочностью 25–35 МПа, которое можно использовать как местный строительный материал.

The results of studies on the development of compositions for cement-free binder on the basis of ash-silica compositions with the use of by-products of energy and metallurgical industries are presented: high-CA ash, ultrafine microsilica and salt (saline) flows generated in the refining of precious and non-ferrous metals. The data on the effect of individual components on the phase composition, microstructure and physical-mechanical characteristics of the composition are given. It is shown that in the optimal combination of by-products with the addition of the curing activator it is possible to receive cement-free binder with the strength of 25...35 MPa, which can be used as a local building material.

Keywords

ФАЗОВЫЙ СОСТАВ, ПРОЧНОСТЬ, СОЛЕВЫЕ СТОКИ, МИКРОКРЕМНЕЗЕМ, ЗОЛА-УНОС, ВЯЖУЩЕЕ

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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