Chapter
Sep 17, 2015
3D Modelling of the Influence of Microcracking on Mass Transport in Concrete
Authors: P. Grassl and I. AthanasiadisAuthor Affiliations
Publication: CONCREEP 10
Abstract
A three-dimensional lattice approach for modelling the coupling of fracture and transport was applied to micro-cracking induced by aggregate restrained shrinkage in concrete, which was idealised as a three phase material consisting of matrix, aggregates and interfacial transition zones. Shrinkage of the matrix and interfacial transition zones was modelled by applying incrementally a uniform eigenstrain. The influence of aggregate diameter and specimen thickness on cracking and transport properties was investigated. The results show that increasing aggregate diameter at constant volume fraction increases the crack widths and, therefore, permeability, which confirms previously obtained 2D modelling results.
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Published In
CONCREEP 10
Pages: 373 - 376
Copyright
© 2015 American Society of Civil Engineers.
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Published online: Sep 17, 2015
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P. Grassl
School of Engineering, University of Glasgow, G128LT Glasgow. E-mail: [email protected]; [email protected]
I. Athanasiadis
School of Engineering, University of Glasgow, G128LT Glasgow. E-mail: [email protected]; [email protected]
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