On the issue of water bleeding of cements

The article deals with the problems of bleeding at different scale levels. It is noted that the problems of bleeding in concrete and mortar mixtures at micro- and nano-levels remain the most difficult to study and regulate. Some factors relating to the technology of cement and concrete mixes production affecting bleeding are considered.

Author: L. D. Shakhova, V.M. Konovalov

Section: Science and production

Keywords: bleeding, aggregative instability, colloidal forces, electrokinetic potential, hydration, cement phases, ettringite