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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: Influence of the Nature and the Grading Curve of the Powder on the Rheology of Self-Compacting Concrete
Author(s): A.-M. Poppe and G. De Schutter
Publication: Special Publication
Appears on pages(s): 399-414
Keywords: high powder content; limestone powder; mineral admix-tures;
rheology; self-compacting concrete
Abstract:The two most essential properties of self-compacting concrete (SCC) are high flowability and high segregation resistance. To combine these apparently incompatible properties, it is necessary to have complete control over the rheology of the concrete. This can be achieved by limiting the volume of the coarse aggregate in combination with a high powder content. This contribution mainly focusses on the influence of the nature and the grading curve of the powder on the rheological properties of SCC. In the experimental program two limestone powders are studied in different combinations with a portland cement. The effect on the rheology of the SCC is investigated by means of the slump flow test and the V-funnel. Also the influence on air content and compressive strength is studied.
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