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Compensation of shrinkage deformations of fine-grained concretes for cast-in-situ vibration-loaded structures

The effect of shrinkage deformations of cement compositions being reduced when additives, surface tension modifiers, are introduced in the composi...

Issue №3, 2024

Section: Concrete

Keywords: structural concrete, cement mixtures, shrinkage deformation, surface tension, calorimetry, additive compatibility

Autor: I.Y. Lavrov, V.A. Beregovoi.

Specifics of the effect of carbon black with different chemical nature of the surface on hydration of tricalcium silicate at an early stage

The paper presents the results of studies of the physical and chemical properties of the three types of carbon black, as well as the results of the st...

Issue №2, 2017

Section: Science and production

Keywords: carbon black, zeta potential, surface tension, oxygen- containing functional groups, tricalcium silicate, hydration, isothermal calorimetry

Autor: A.M. Sobolkina, B.Y. Trofimov.