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TitleFeasibility study of geopolymers for externally bonded reinforcement
Author(s)Figeys, Wine
Gemert, D. van
Aguiar, J. L. Barroso de
Fly ash
Room temperature
Flexural strength
Issue date2007
CitationYEON, Kyu-Seok, ed. lit. – “ICPIC 2007 : proceedings of the International Congress on Polymers in Concrete, 12, Chuncheon, Korea, 2007”. [Chuncheon : Kangwon National University, 2007]. vol. 1. p. 771-778.
Abstract(s)Geopolymers are a new class cf alumino-silicate materials. Because of their non-inflammability and thermal stability they could present a valuable alternative for epoxy adhesives in extemally bonded reinforcements. Geopolymerisation is a chemical reaction that is processed in strong alkaline environment between the oxides that are present in different alumino-silicates, yielding polymeric Si-O-AI-O bonds. The purpose of this research is te study geopolymers to be used as an adhesive for externally bonded reinforcement. Metakaolin and fly ash based geopolymers were tested. The best mechanical properties, like compressive and flexural strengths, were achieved with a composition with of 100 % metakaolin (source material) and a sodium silicate solution - sodium hydroxide solution ratio of 2,3 by mass (alkaline solution).
TypeConference paper
AccessOpen access
Appears in Collections:CEC-MAT - Comunicações a Conferências Internacionais

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