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Heat curing and post-heat curing regimes of high-performance concrete: influence on microstructure and C-S-H composition
The present work reports a study on the effect of heat curing and post-heat curing conditions on the microstructure and C-S-H composition of a high-performance concrete. In addition, some previously studied cement paste specimens of ordinary w/c ratio hydrated at various temperatures have been reanalyzed. Heat cured high-performance concrete showed a higher hollow shell porosity at later ages than a normally cured companion. Apparently the distribution of C-S-H throughout the cement paste matrix of the high-performance concrete was not significantly influenced by heat curing. However, the composition of the C-S-H phases was influenced by the curing regimes. The effect of heat curing on the microstructure appears to differ between high-performance and ordinary concretes.
Heat curing and post-heat curing regimes of high-performance concrete: influence on microstructure and C-S-H composition
The present work reports a study on the effect of heat curing and post-heat curing conditions on the microstructure and C-S-H composition of a high-performance concrete. In addition, some previously studied cement paste specimens of ordinary w/c ratio hydrated at various temperatures have been reanalyzed. Heat cured high-performance concrete showed a higher hollow shell porosity at later ages than a normally cured companion. Apparently the distribution of C-S-H throughout the cement paste matrix of the high-performance concrete was not significantly influenced by heat curing. However, the composition of the C-S-H phases was influenced by the curing regimes. The effect of heat curing on the microstructure appears to differ between high-performance and ordinary concretes.
Heat curing and post-heat curing regimes of high-performance concrete: influence on microstructure and C-S-H composition
Heißabbinde- und Nachwärmeabbindebereiche von Hochleistungsbeton: Mikrostruktur- und C-S-H-Zusammensetzungseinfluß
Kjellsen, K.O. (author)
Cement and Concrete Research ; 26 ; 295-307
1996
13 Seiten, 12 Bilder, 2 Tabellen, 35 Quellen
Article (Journal)
English
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