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Cement with Fly Ash and Metakaolin Blend—Drive towards a More Sustainable Construction

Author

Listed:
  • Leonid Dvorkin

    (Department of Building Elements Technology and Materials Science, National University of Water and Environmental Engineering, 33028 Rivne, Ukraine)

  • Vadim Zhitkovsky

    (Department of Building Elements Technology and Materials Science, National University of Water and Environmental Engineering, 33028 Rivne, Ukraine)

  • Mateusz Sitarz

    (Chair of Building Materials Engineering, Faculty of Civil Engineering, Cracow University of Technology, 31-155 Cracow, Poland)

  • Izabela Hager

    (Chair of Building Materials Engineering, Faculty of Civil Engineering, Cracow University of Technology, 31-155 Cracow, Poland)

Abstract

This article presents experimental studies that have shown the effectiveness of using a composition of fly ash and metakaolin as an active mineral admixture to cement. It is shown that composite ash–metakaolin additives (AMAd) have on the one hand increased pozzolanic activity and surface energy, and, on the other hand, moderated water demand and provided a significant increase in strength, which is especially important for low-cement concretes. The obtained experimental–statistical models make it possible to determine the effect of the AMAd composition, its content in combination with the addition of a superplasticizer on the rheological properties, the kinetics of structure formation and the main physical and mechanical properties of cement.

Suggested Citation

  • Leonid Dvorkin & Vadim Zhitkovsky & Mateusz Sitarz & Izabela Hager, 2022. "Cement with Fly Ash and Metakaolin Blend—Drive towards a More Sustainable Construction," Energies, MDPI, vol. 15(10), pages 1-13, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:10:p:3556-:d:814181
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