Steklo i Keramika (Glass and Ceramics). Monthly scientific, technical and industrial journal

 

ISSN 0131-9582 (Online)

Effect of glass devitrification in porous fillers on alkali resistance of concrete

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Autors: Kazantseva L. K., Seretkin Yu. V., Rashchenko S. V., Nikitin A. I.
  • Continuous numbering: 1094
  • Pages: 8-14
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Heading: Science for glass production

The chemical activity to cement alkalis (ASR interaction) of porous fillers - foam ceramics and geopenositals (analogs of foam glass and foam glass) in an alkaline medium simulating the liquid phase of hardening cement - has been investigated. It was found that devitrification of the glass melt in the process of thermally activated pore formation increases the ASR stability of ceramic foam fillers provided that the crystals are uniformly distributed over the pore wall thickness. It is shown that in an alkaline medium, the active surface of ceramic foam fillers is encapsulated by crystalline Ca-, Na-aluminosilicates and further ASR interaction stops.
Dr. Tech. Sci. L. K. KAZANTSEVA 1 ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ), Dr. ... Sci. V. Seryotkin 1, 2 ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ), Cand. tech. Sci. S. V. RASHCHENKO 1, 2 ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ), General Director A. I. NIKITIN 3 ( e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ); 1 Institute of Geology and Mineralogy named after VS Sobolev SB RAS (Russia, Novosibirsk)
2 Novosibirsk State University (Russia, Novosibirsk)
3 LLC & # 171 ; STEP-invest & # 187; (Russia, Chelyabinsk)
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Keywords

concrete aggregates, foam glass, penosital, foam ceramics, geopenosital, glass crystallization, ASR interaction

Use the reference below to cite the publication

Kazantseva L. K., Seretkin Yu. V., Rashchenko S. V., Nikitin A. I. Effect of glass devitrification in porous fillers on alkali resistance of concrete. Steklo i keramika. 2019:92(2):8-14. (in Russ). UDK 666.189.3:549.67
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Lyudmila Vladimirovna Sokolova