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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: An Homogenisation Theory to Study the Aggregate Size Range Effect on ASR Swelling: Numerical Implementation and Experimental Fitting
Author(s): S. Poyet, A. Sellier, B. Capra, G. Thevenin, J. M. Torrenti, S. Prene, H. Tournier, and
Publication: Special Publication
Appears on pages(s): 369-389
Keywords: aggregate size grading; alkali-silica reaction; concrete expansion; kinetics; modelling; prediction
Abstract:Many structures around the world suffer from alkali-silica reactions. A new mod- elling is presented for kinetics and expansion prediction of ASR degraded concrete. It is based on an homogenisation method and it allows to take into account the aggregate size grading effect on both kinetics and expansion. Constitutive equations, based on diffusion equations, are developed in this paper. Experimental data are used for fitting themodelling. Experimental and numerical results are presented.
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