Influence of carbon dioxide and moisture permeability of coating materials on carbonation of concrete

Yasuharu Kawamura, Kenji Motohashi

Research output: Contribution to journalArticle

Abstract

Influence of carbon dioxide permeability and moisture permeability of coating materials on carbonation depth of substrate concrete was discussed by 2 series of accelerated carbonation tests. Moisture permeability shows higher correlation than carbon dioxide permeability. Accordingly, moisture change in concrete was monitored in accelerated carbonation test in this study. It was found that water generated by carbonation reaction of concrete raise moisture content of the substrate concrete. Consequently, this increase of moisture content strongly affects the carbonation depths of concrete. In conclusion, moisture permeability has high correlation between carbonation depth, and which is due to generation of water by carbonation reaction in the accelerated carbonation test.

Original languageEnglish
JournalAIJ Journal of Technology and Design
Volume22
Issue number51
DOIs
Publication statusPublished - 2016 Jun 1

Fingerprint

Carbonation
Carbon dioxide
Moisture
Concretes
Coatings
Substrates
Water

Keywords

  • Accelerated carbonation test
  • Carbon dioxide permeability
  • Coating materials
  • Moisture permeability
  • Paints

ASJC Scopus subject areas

  • Architecture
  • Building and Construction

Cite this

Influence of carbon dioxide and moisture permeability of coating materials on carbonation of concrete. / Kawamura, Yasuharu; Motohashi, Kenji.

In: AIJ Journal of Technology and Design, Vol. 22, No. 51, 01.06.2016.

Research output: Contribution to journalArticle

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