International Journal of Concrete Structures and Materials

Korea Concrete Institute (한국콘크리트학회)
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Sulfate Resistance of Alkali Activated Pozzolans

  • Bondar, Dali (Department of Civil, Architectural, and Building, Coventry University) ;
  • Lynsdale, C.J. (Department of Civil and Structural Engineering, University of Sheffield) ;
  • Milestone, N.B. (Milestone and Associates Ltd.) ;
  • Hassani, N. (Research Centre of Natural Disasters in Industry P.W.U.T.)
  • Received : 2014.04.23
  • Accepted : 2014.10.28
  • Published : 2015.06.30
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Abstract

The consequence of sulfate attack on geopolymer concrete, made from an alkali activated natural pozzolan (AANP) has been studied in this paper. Changes in the compressive strength, expansion and capillary water absorption of specimens have been investigated combined with phases determination by means of X-ray diffraction. At the end of present investigation which was to evaluate the performance of natural alumina silica based geopolymer concrete in sodium and magnesium sulfate solution, the loss of compressive strength and percentage of expansion of AANP concrete was recorded up to 19.4 % and 0.074, respectively.

Keywords

References

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