Dear Colleagues,

Concrete carbonation is a research topic that has existed for a very long time, but which is still receiving plenty of attention. The first investigation on concrete carbonation dates from the first decade of the twentieth century, and a lot has been achieved in the field so far. Despite all the progress reached concerning the durability of reinforced concrete structures, though, which is the subject to which most research efforts have been devoted, there are still some gaps to bridge, such as probabilistic service life design and life cycle analysis. Meanwhile, cement-based concrete has gained a reputation as a pollutant material. On the other hand, part of the research focus has shifted to studying concrete as a CO2-sequestrating material. Still within the frame of environmental concerns, low-carbon binders and even cement-free concrete have been tried out. All this has opened up new fields in concrete carbonation research. This Special Issue of Applied Sciences constitutes a way to disseminate results and findings from reviews, original studies, and experimental programs addressing probabilistic service life design and life cycle assessment of concrete, encompassing carbonation, as well as on the ability of concrete for CO2 sequestration and on carbonation of concrete with unconventional constituents, in particular, with alternative or “new-generation” binders.

Prof. Rui Neves
Guest Editor

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• concrete carbonation
• alkali-activated binders
• geopolymer concrete
• CO2 sequestration
• recycled aggregate concrete
• service life design
• life cycle analysis
• low binder concrete