48. Influence of mineral additions and chemical admixtures on the rheological behaviour of powder-type SCC

Title: 48. Influence of mineral additions and chemical admixtures on the rheological behaviour of powder-type SCC
Author(s): G. Heirman, L. Vandewalle, D. Van Gemert, D. Feys, G. De Schutter, B. Desmet, J. Vantomme
Paper category : conference
Book title: 5th International RILEM Symposium on Self-Compacting Concrete
Editor(s): G. De Schutter and V. Boel
Print-ISBN: 978-2-35158-047-9
e-ISBN: 978-2-35158-088-2
Publisher: RILEM Publications SARL
Publication year: 2007
Pages: 329 - 334
Total Pages: 6
Nb references: 4
Language: English

Abstract: The influence of mineral additions and chemical admixtures on the rheological behaviour of powder-type self-compacting concrete is studied.
The investigated parameters are: the type of (mineral) addition (limestone powder, quartz powder and fly ash), the type of cement (Portland cement CEM I 52.5 R HES and blast furnace slag cement CEM III/A 42.5 N LA), the applied dosage of chemical admixture (i.e. a PCE-superplasticizer), the water/cement ratio and the cement/powder ratio.
A wide-gap coaxial rheometer (ConTec Visco5) is used in order to describe the influence of the different parameters on the rheological behaviour. The results of the ConTec Visco5 are evaluated by means of (non)linear regression analysis, depending on the appropriate rheological model.

Online publication: 2009-06-16
Publication type : full_text
Public price (Euros): 0.00