In-situ X-ray computed tomography characterisation of 3D fracture evolution and image-based numerical homogenisation of concrete

Zhenjun Yang, W. Ren, R. Sharma, S. McDonald, M. Mostafavi, Y. Vertyagina, T. J. Marrow

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    In-situ micro X-ray Computed Tomography (XCT) tests of concrete cubes under progressive compressive loading were carried out to study 3D fracture evolution. Both direct segmentation of the tomography and digital volume correlation (DVC) mapping of the displacement field were used to characterise the fracture evolution. Realistic XCT-image based finite element (FE) models under periodic boundaries were built for asymptotic homogenisation of elastic properties of the concrete cube with Young's moduli of cement and aggregates measured by micro-indentation tests. It is found that the elastic moduli obtained from the DVC analysis and the FE homogenisation are comparable and both within the Reuss-Voigt theoretical bounds, and these advanced techniques (in-situ XCT, DVC, micro-indentation and image-based simulations) offer highly-accurate, complementary functionalities for both qualitative understanding of complex 3D damage and fracture evolution and quantitative evaluation of key material properties of concrete.

    Publisher Statement: NOTICE: this is the author’s version of a work that was accepted for publication in Cement and Concrete Composites. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Cement and Concrete Composites, [75, (2017)] DOI: 10.1016/j.cemconcomp.2016.10.001

    © 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
    Original languageEnglish
    Pages (from-to)74-83
    Number of pages10
    JournalCement and Concrete Composites
    Issue numberJanuary
    Early online date5 Oct 2016
    Publication statusPublished - 15 Jan 2017


    • X-ray computed tomography
    • Fracture
    • Segmentation
    • Digital volume correlation
    • Homogenisation
    • Concrete


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