Examining the pozzolanicity of supplementary cementitious materials using isothermal calorimetry and thermogravimetric analysis

Prannoy Suraneni, Jason Weiss

Research output: Contribution to journalArticle

42 Scopus citations

Abstract

It has recently been proposed that the pozzolanicity of supplementary cementitious materials can be determined by monitoring the heat released when supplementary cementitious materials are mixed with calcium hydroxide at high temperature and high pH. In this study, the heat release is measured using this procedure for a variety of different supplementary cementitious materials. In addition, thermogravimetric analysis is performed on the reacted material to determine the amount of calcium hydroxide consumed. The heat release and calcium hydroxide consumption can be used in conjunction to compare supplementary cementitious materials. Calcium hydroxide consumption can be used to determine the extent of reaction of supplementary cementitious materials in pastes where supplementary cementitious materials are used to replace a portion of cement.

Original languageEnglish (US)
Pages (from-to)273-278
Number of pages6
JournalCement and Concrete Composites
Volume83
DOIs
StatePublished - Oct 1 2017
Externally publishedYes

Keywords

  • Calorimetry
  • Fly ash
  • Granulated blast-furnace slag
  • Pozzolan
  • Silica fume
  • Thermogravimetric analysis

ASJC Scopus subject areas

  • Building and Construction
  • Materials Science(all)

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