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Strength and Sulfuric Acid Resistance of Three Component Geopolymer

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Abstract:

The compressive strength and resistance to chemical attack of a fly-ash-based geopolymer, to which ground granulated blast furnace slag (B.F.S) and silica fume were added as mineral admixtures, were evaluated. The B.F.S. constituted 10% of the total powder amount in this geopolymer, which exhibited a high compressive strength. In addition, the compressive strength remained unchanged with proportional additions of silica fume to the mixture. The geopolymer exhibited, however, different resistance to sulfuric acid and sodium sulfate solutions during diffusion testing. In fact, the resistance of the B.F.S-containing mix to sulfuric acid was enhanced by the addition of silica fume and by autoclaving.

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Periodical:

Advanced Materials Research (Volume 1129)

Pages:

607-613

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1129.607

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Online since:

November 2015

Authors:

Hiroki Goda*, Koji Harada, Shunji Tsugo, Makoto Hibino

Keywords:

Autoclaving, Chemical Attack, Silica Fume, Type II Fly Ash

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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References

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