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Oral presentation

Influence of atmospheric water vapor on thermal decomposition of perlite concrete

Iwasaki, Shun*; Sakai, Yasuhiro*; Kikuchi, Shin; Koga, Nobuyoshi*

no journal, ,

The influence of atmospheric water vapor on the multistep thermal decomposition of perlite concrete was investigated in detail by separating the component reaction steps using kinetic deconvolution analysis (KDA). The retardation of thermal decomposition of Ca(OH) $_{2}$ and the acceleration of thermal decomposition of CaCO $_{3}$ were identified as specific effect of atmospheric water vapor.

Oral presentation

Influence of atmospheric carbon dioxide on thermal decomposition of perlite concrete

Sakai, Yasuhiro*; Iwasaki, Shun*; Kikuchi, Shin; Koga, Nobuyoshi*

no journal, ,

The influence of atmospheric CO $_{2}$ on the multistep thermal decomposition of perlite concrete was investigated in detail by separating the component reaction steps using kinetic deconvolution analysis (KDA). The carbonation of Ca(OH) $_{2}$ and the retardation of the thermal decomposition of CaCO $_{3}$ were identified as specific effect of atmospheric CO $_{2}$ .