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Activation of fly ash and its effects on cement properties11 This article is being published without the benefit of the authors’ review of the proofs, which was not available at press time.

Authors
Journal
Cement and Concrete Research
0008-8846
Publisher
Elsevier
Publication Date
Volume
29
Issue
4
Identifiers
DOI: 10.1016/s0008-8846(98)00178-1
Keywords
  • Alkali Activated Cement
  • Fly Ash
  • Alkalis
  • Ca(Oh)2

Abstract

Abstract A new method of fly ash activation with addition of Ca(OH) 2 and a small quantity of Na 2SiO 3 is presented. Scanning electron microscopy, differential thermal analysis, x-ray diffraction analysis, alkali-absorption test, and strength measurement show that the activity of activated fly ash by this method is obviously increased, which can accelerate cement early hydration and promote setting and hardening.

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