Mechanical and physical properties of concrete containing FGD waste

KHATIB, J.M., MANGAT, P.S. and WRIGHT, Lee (2016). Mechanical and physical properties of concrete containing FGD waste. Magazine of concrete research, 68 (11), 550-560.

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Link to published version:: https://doi.org/10.1680/macr.15.00092
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    Abstract

    The paper is part of a wide ranging research project on the optimum use of waste from the dry and semi dry flue gas desulphurisation (FGD) processes in concrete. It examines the influence of a typical simulated desulphurised waste (SDW) on the physical and mechanical and physical properties of concrete. SDW was chosen due to the wider variability in the composition of actual FGD waste. Two binder systems were investigated (i) cement and SDW (C-SDW) and (ii) cement, slag and SDW (C-SSDW). The SDW content ranged from 0-70% and the slag from 0-90% as partial replacement of the cement. The properties examined included compressive and flexural strength, water absorption, shrinkage and expansion. The results showed that replacing cement with SDW beyond 20% systematically reduce strength. An increase in SDW reduces shrinkage. The presence of small amounts of slag allows the use of high proportions of SDW. The use of desulphurised waste in concrete applications is possible as adequate strength can be achieved.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Infrastructure Management
    Identification Number: https://doi.org/10.1680/macr.15.00092
    Page Range: 550-560
    Depositing User: Pal Mangat
    Date Deposited: 29 Jun 2015 15:37
    Last Modified: 16 Nov 2018 12:48
    URI: http://shura.shu.ac.uk/id/eprint/10575

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