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Carbonation rate of alkali-activated concretes and high-volume SCM concretes: a literature data analysis by RILEM TC 281-CCC

Gregor J. G. Gluth, Xinyuan Ke, Anya Vollpracht, Lia Magdalena Weiler, Susan A. Bernal, Martin Cyr, Katja Dombrowski-Daube, Daniel A. Geddes, Cyrill Grengg, Cassandre Le Galliard, Marija Nedeljkovic, John L. Provis (+2 others)
2022 Materials and structures: = Matériaux et constructions 55(8)  

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The current understanding of the carbonation and the prediction of the carbonation rate of alkali-activated concretes is complicated inter alia by the wide range of binder chemistries used and testing conditions adopted. To overcome some of the limitations of individual studies and to identify general correlations between mix design parameters and carbonation resistance, the RILEM TC 281-CCC 'Carbonation of Concrete with Supplementary Cementitious Materials' Working Group 6 compiled and
more » ... carbonation data for alkali-activated concretes and mortars from the literature. For comparison purposes, data for blended Portland cementbased concretes with a high percentage of SCMs (C 66% of the binder) were also included in the database. The analysis indicates that water/CaO ratio and water/binder ratio exert an influence on the carbonation resistance of alkali-activated concretes; however, these parameters are not good indicators of the carbonation resistance when considered This article was prepared within the framework of RILEM TC 281-CCC. The article has been reviewed and approved by all members of the TC.
doi:10.18154/rwth-2022-09644 fatcat:3vjs5htalbgyddk4b24n2kczme
Citation

Gregor J. G. Gluth, Xinyuan Ke, Anya Vollpracht, Lia Magdalena Weiler, Susan A. Bernal, Martin Cyr, Katja Dombrowski-Daube, Daniel A. Geddes, Cyrill Grengg, Cassandre Le Galliard, Marija Nedeljkovic, John L. Provis, Luca Valentini, Brant Walkley. "Carbonation rate of alkali-activated concretes and high-volume SCM concretes: a literature data analysis by RILEM TC 281-CCC." Materials and structures: = Matériaux et constructions 55(8) (2022) 225 (2022). doi:10.1617/s11527