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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: Study of local Tint Defects on Concrete Surfaces-Influence of Superplasticizers and Other Parameters
Author(s): I. Lallemant, P. Rougeau, J. L. Gallias, and R. Cabrillac
Publication: Special Publication
Appears on pages(s): 521-534
Keywords: adsorption; concrete; superplasticizer
Abstract:The results presented and discussed are those of a study aimed at understanding how and why tint heterogeneities occur at the surface of concrete. In particular, the study involved laboratory tests on mortars which were aimed at examining the effect of the following parameters on the phenomenon of tint heterogeneity: W/C, super-plasticizer content, cement alkali content, mould type, and curing conditions. The results appear to show that two of the parameters aforementioned have a major influence on tint homogeneity: the homogeneity of the binder volume fraction distribution resulting from the use of super-plasticizers, and the absorption properties of the mould.
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