Hydration of Portland cement and surface area of hardened cement paste by water vapor adsorption measurement

Ippei Maruyama, Go Igarashi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Relationship between surface area of hardened cement and cement hydration was evaluated. Hydration process was evaluated by powder X-ray diffraction/Rietveld analysis, on the other hand, surface area of hardened cement paste is determined by water vapor adsorption isotherm and BET theory. Based on the experimental data, the surface area of hardened cement paste has strong correlation with the amount of C-S-H in hardened cement. The surface area by vapor adsorption is very sensitive to the sample preparation and therefore, correlation between surface and amount of C-S-H is different when the pre-drying condition is differed.

Original languageEnglish
Pages (from-to)865-873
Number of pages9
JournalJournal of Structural and Construction Engineering
Volume76
Issue number663
DOIs
Publication statusPublished - 2011 May 1

Keywords

  • Adsorption isotherm
  • Hardened cement paste
  • Specific surface area

ASJC Scopus subject areas

  • Architecture
  • Building and Construction

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