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Measurement of yield stress for concentrated suspensions using a plate device



Min-Hong Zhang, Chiara C. Ferraris, Huaning Zhu, Vincent Picandet, Max A. Peltz, Paul E. Stutzman, Daniel De Kee


Slump has often been correlated with the yield stress of concrete as defined by the Bingham model. The discussion is still open as to what the yield stress value actually is and how to measure the yield stress of a suspension in general and for a cementitious material in particular. A plate device is a recent development in the measurement of yield stress of suspensions that allows for testing as shear rates far below most rotaional rheometers. This paper present the plate device and the modifications made so that it can be used with suspensions such as bentonite or TiO d2 (Titanium dioxide) in aqueous solutions, as well as high concentration suspensions such as portland cement paste. A systematic analysis of the experimental results is presented with a critical discussion on the potential use of this device.
RILEM - Materials and Structures Journal


cement paste, plate device, suspension rheology, yield stress, workability


Zhang, M. , Ferraris, C. , Zhu, H. , Picandet, V. , Peltz, M. , Stutzman, P. and De Kee, D. (2010), Measurement of yield stress for concentrated suspensions using a plate device, RILEM - Materials and Structures Journal (Accessed April 22, 2024)
Created December 31, 2009, Updated October 12, 2021