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Lookup NU author(s): Dr Enrico Masoero
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By the end of cement hydration calcium-silicate-hydrate (C-S-H) gels extends over tens and hundreds of nanometers. Their complex texture affects directly, and to a large extent, the macroscopic hygrothermal and mechanical behavior of cement. Here we review a statistical physics approach recently developed, which allows us to investigate the gel formation under the out-of-equilibrium conditions typical of cement hydration and the role of the nano-scale structure in C-S-H mechanics upon hardening. Our investigations have unveiled the role, in the C-S-H gels, of nano-scale structural and mechanical heterogeneities that develop due to the the far-from-equilibrium physico-chemical environment in which the material forms. A subtle interplay between the out-of-equilibrium evolution and the effective interactions emerging between the nano-scale units of the gels at different stages of the hydration process ultimately determines the mesoscale texture of cement hydrates and their material properties.
Author(s): Del Gado E, Ioannidou K, Masoero E, Pellenq RJM, Ulm FJ, Yip S
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures (CONCREEP 10)
Year of Conference: 2015
Pages: 34-38
Online publication date: 21/09/2015
Acceptance date: 01/01/1900
Publisher: ASCE
URL: https://doi.org/10.1061/9780784479346.005
DOI: 10.1061/9780784479346.005
Library holdings: Search Newcastle University Library for this item
ISBN: 9780784479346
