Role of Water Film Thickness on Rheological Characteristics of SelfConsolidating Concrete Containing Silica Fume

In previous studies, it has been found that utilization of various supplementary cementations materials has significant effect on rheological properties of selfconsolidating concrete. The present study aims to extend the role of water film thickness on rheological characteristics of selfconsolidating concrete containing silica fume. For this purpose, relation between T50 flow time, Vfunnel flow time and plastic viscosity with water film thickness of selfconsolidating concrete mixtures containing different amounts of silica fume has been investigated. Results, showed that the rheological parameters can be closely related to the thickness of excess water around the solid particles.