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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Some Effects of Carbon Dioxide
on Mortars and Concrete
Author(s): I. Leber and F. A. Blakely
Publication: Journal Proceedings
Appears on pages(s): 295-308
Keywords: no keywords
Abstract:Tests have been made to determine the effect of gaseous carbon dioxide on the strength and shrinkage of mortars and concretes. Results from work previously published appeared somewhat contradictory, but it now seems that strength is increased and shrinkage decreased if specimens undergo a period of curing in carbon dioxide immediately after demolding. On the other hand, an immediate sharp increase in shrinkage is recorded if specimens are allowed to dry for several days before carbon dioxide treatment is started. The contraction does not continue with time, but appears to be stabilized. The influence of carbon dioxide under pressure, and of storage in air free from carbon dioxide were studied briefly. Some consideration has been given to the way in which the gas is bound by the cement.
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