The rheology of concrete is influenced by water content, the amount, size and size
distribution of all the solid components as well as by the dispersion of the finer particles …

Placing of concrete requires much more water than the cement needs for its hydration. This
results in a certain porosity in the hardened concrete, which facilitates chemical degradation …

The properties of high performance concrete, mainly in the fresh state are governed by the
flow behaviour of the paste phase, which is controlled by the dispersion of cement particles …

Rheological properties of fresh concrete, namely plastic viscosity and yield stress, are critical
for the concrete industry because they affect placement and workability. Moreover, these …

This work aims at investigating the impact of the addition of superplasticizer and of ultra-fine
particles, namely of silica fume and of precipitated titania, on the rheological behaviour of …

Superplasticizers provide spectacular gains in fresh concrete workability. However, the
effectiveness of these products sometimes does not last more than some 10-20 minutes. It is …

Fresh cement pastes, when dispersed by a superplasticizer acting mainly by electrostatic
effect, present a viscosity that increases with the shear rate (shear thickening). When mineral …

An experimental methodology to study the rheological response of superplasticised cement
pastes subjected to temperatures ranging from 5 to 45° C is presented. The content of a …

Rheological properties of cement-based materials are shear-and time dependent due to the
chemical and physical particle bonding. Proper characterization of these properties is …

Rheology measurements of the fine mortar part of concrete are used in the mix design
model of self-compacting concrete at CBI. Concrete rheology can only be optimised if the …