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Development of a New Slump Test Method to Measure the Rheological Properties of Cement Paste Open Access


Other title
Cement paste, Workability
Mini slump follow test
Rheology properties of cement paste
Type of item
Degree grantor
University of Alberta
Author or creator
Supervisor and department
Yaman, Boluk (Environmental Engineering)
Examining committee member and department
Vivek, Bindiganavile (Environmental Engineering)
Mustafa, Gul (Environmental Engineering)
Department of Civil and Environmental Engineering
Structural Engineering
Date accepted
Graduation date
Master of Science
Degree level
A new and cost effective technique is developed to measure the rheological properties of cement paste and is validated through experiment and analytical analysis with the use of flow table. Instead of conventional methods, such as free flow test and modified mini slump test without drops, the technique of slump test (ASTM C1437) with impact force was utilized. To date there has been no study to measure viscosity from mini slump test with impact force. The yield stress and the plastic viscosity of cement pastes were determined using AR-G2 rheometer. Rheology tests were conducted on more than twenty cement paste specimens with different proportions of cellulose nano fibrillated and sucrose producing different yield stress and viscosity. The correlation between the rheological parameters and mini slump tests were investigated from the experimental graphs of shear stress and viscosity versus shear rate. Plots of viscosity versus drop data were acquired through both experiment and analytical calculations. Based on our experiment, the formulas have been found, indicating the effectiveness of mini slump test instead of rheological analysis for the specific cement paste case.
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