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THE NEW ECOLOGICAL MATERIALS USING METAKAOLINE

Potapova, E.; Krivoborodov, Y.; Kouznetsova, T.; Samchenko, S.
Abstract:
Metakaoline is a relatively new pozzolanic additive, obtained by calcination of kaolin clay at relatively low temperatures. Themselves pozzolanic additives are known for a very long time. Currently, there is interest to pozzolanic materials again, because their usage allows reducing the total environmental impact and cost of cement. The influence of metakaoline on hydration and hardening of cement was studied. The usage of metakaoline as the additive to cement composition increases the strength of cement stone. Beside it improves the frost and corrosion resistance of cement stone reducing its porosity, which opens up new opportunities for use of additives based on metakaoline. Metakaoline allows to replace part of cement in the composition of cementitious materials, to produce high-quality dry mixes, mortar, concrete and others materials for example, plaster, putty, self-leveling compounds. The study the effect of metakaoline on the properties of tile adhesives showed the possibility to change their composition thanks the partial replacement of the polymer by metakaolin. Carried out research on the replace of polymer microfiber by metakaoline in repair dry mixes showed that it does not deteriorate their properties. Therefore, metakaoline can be used as an alternative to polymer fibers in the composition of repair mixtures.
SGEM Research areas:
Year:
2017
Type of Publication:
In Proceedings
Keywords:
metakaolin; cement; hydration; dry mix properties; tile adhesive; fiber
Volume:
17
SGEM Book title:
17th International Multidisciplinary Scientific GeoConference SGEM 2017
Book number:
62
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
327-334
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
29 June - 5 July, 2017
ISBN:
978-619-7408-13-3
ISSN:
1314-2704
Conference:
17th International Multidisciplinary Scientific GeoConference SGEM 2017, 29 June - 5 July, 2017
DOI:
10.5593/sgem2017/62/S26.042
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