Chemistry, design and application of hybrid alkali activated binders

X. Gao, B. Yuan, Q.L. Yu, H.J.H. Brouwers

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

1 Citation (Scopus)

Abstract

This chapter presents a brief overview of two typical alkali activated systems: a high calcium system and an aluminosilicates based one. Subsequently, recent progress in understanding the chemistry, design and applications of these alternative binders is reviewed. The commonly applied two alkali activated binder systems are modified by using alternatives such as sodium carbonates, slag/fly ash, limestone powder and nano-silica. The effects of those additives on reaction kinetics, gel structure, mechanical properties, porosity and shrinkage are comprehensively studied. The recipe designs of modified alkali activated binders are also investigated. The applications of these new binders in waste management, high performance products, and functional building materials are introduced. Finally, future research directions, modifications, designs and potential applications are suggested.

Original languageEnglish
Title of host publicationCementitious Materials
Subtitle of host publicationComposition, Properties, Application
EditorsHerbert Poellmann
Place of PublicationBerlin
PublisherWalter de Gruyter GmbH
Chapter8
Pages253-284
Number of pages32
ISBN (Electronic)9783110473728
ISBN (Print)9783110473735
DOIs
Publication statusPublished - 18 Dec 2017

Keywords

  • Alkali activation
  • Application
  • Design
  • Fly ash
  • Reaction kinetics
  • Slag
  • Sodium carbonate

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