Physical, mechanical and hygrothermal properties of lateritic building stones (LBS) from Burkina Faso

H. N. Abhilash, F. McGregor, Y. Millogo, A. Fabbri, A. D. Séré, J. E. Aubert, Jean-Claude Morel

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    Earth is a predominant eco-friendly construction material which provides a good occupational comfort consuming less energy. To improve the durability performance, stabilization is commonly adopted. However the additional costs induced by such process cannot be afforded by the majority of the population in developing countries, and in some circumstances, the environmental side effect may be controversial. Alternatively, laterite stone which is natural available and readily stabilized material that can be used for building construction is studied in this paper. Lateritic building stones (LBS) from Burkina-Faso are studied for their hygroscopic, physical and mechanical characteristics by conducting experimental investigation such as moisture sorption and desorption, moisture buffering, three-point bending, and cyclic unconfined compression test. The analysis is focused on the moisture ingress of the material and its impact on the mechanical strength and also an insight on understanding linear elastic behaviour of LBS is carried out. The experimental results are compared with the stabilized and un-stabilized earthen construction materials. This comparison underlines the good performances of LBS, in both mechanical and hygrothermal properties as a building material.
    NOTICE: this is the author’s version of a work that was accepted for publication in Construction and Building Materials. 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 Construction and Building Materials, VOL 125, (2016) DOI: 10.1016/j.conbuildmat.2016.08.082

    © 2016, Elsevier. Licensed under the Creative Commons Attribution Non Commercial-No Derivatives 4.0 International
    Original languageEnglish
    Pages (from-to)731-741
    Number of pages11
    JournalConstruction and Building Materials
    Publication statusPublished - 22 Aug 2016

    Bibliographical note

    Due to publisher policy, the full text is not available on the repository until the 29th of August 2017.


    • Lateritic building stones
    • Physical characteristics
    • mechanical characteristics
    • hygrothermal characteristics
    • Building materials
    • Burkina Faso


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