NDLI: Effects of mineral admixtures on fresh and hardened properties of self-compacting concretes: binary, ternary and quaternary systems

Content Provider	Springer Nature Link
Author	Gesoğlu, Mehmet Özbay, Erdoğan
Copyright Year	2007
Abstract	The paper presented herein investigates the effects of using supplementary cementitious materials in binary, ternary, and quaternary blends on the fresh and hardened properties of self-compacting concretes (SCCs). A total of 22 concrete mixtures were designed having a constant water/binder ratio of 0.32 and total binder content of 550 kg/m$^{3}$. The control mixture contained only portland cement (PC) as the binder while the remaining mixtures incorporated binary, ternary, and quaternary cementitious blends of PC, fly ash (FA), ground granulated blast furnace slag (GGBFS), and silica fume (SF). After mixing, the fresh properties of the concretes were tested for slump flow time, L-box height ratio, V-funnel flow time, setting time, and viscosity. Moreover, compressive strength, ultrasonic pulse velocity, and electrical resistivity of the hardened concretes were measured. Test results have revealed that incorporating the mineral admixtures improved the fresh properties and rheology of the concrete mixtures. The compressive strength and electrical resistivity of the concretes with SF and GGBFS were much higher than those of the control concrete.Cet article examine les effets d’utilization des additions minérales dans les mélanges binaires, ternaires et quaternaires sur les propriétés fraîches et durcies des bétons autoplaçants. Au total, les 22 mélanges de bétons ont été formulés ayant un rapport eau/liant constant de 0.32 et une teneur en liant total de 550 kg/m$^{3}$. Le mélange témoin a inclus seulement un ciment portland comme le liant tandis que le reste des mélanges ont incorporé des mélanges cimentaires binaires, ternaires et quaternaires du ciment portland, cendre volante (CV), laitier de haut fourneau (LHF), et fumée de silice (FS). Après le malaxage, les propriétés fraîches des bétons ont été testées pour le temps d’étalement, le rapport de hauteur à la L-Box, le temps d’écoulement au V-funnel, le temps de prise, et la viscosité. De plus, la résistance à la compression, la vitesse d’onde ultrasonore, et la résistivité électrique des bétons durcis ont été mesurées. Les résultats des tests ont montré que l’incorporation des additions minérales a amélioré les propriétés fraîches et la rhéologie des mélanges de béton. La résistance à la compression et la résistivité électrique des bétons avec FS et LHF étaient beaucoup plus élevées que celles du béton témoin.
Starting Page	923
Ending Page	937
Page Count	15
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	40
Issue Number	9
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-04-04
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electrical resistivity Fresh properties Mineral admixtures Self-compacting concrete Setting time Viscosity Building Materials Civil Engineering Operating Procedures, Materials Treatment Mechanical Engineering Theoretical and Applied Mechanics Structural Mechanics
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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