Consolidation property of a highly compressible construction waste sludge

M. Ibaraki, T. Sasahara, Y. Sugawara, Hirokazu Akaki

    Research output: Contribution to conferencePaper

    Abstract

    The slurry produced as a by-product of construction works has a high water content and contains a large amount of fine clay particles, thus necessitating its flocculation and dehydration for the sake of volume and water content reduction. The purpose of this study is to investigate the consolidation properties of floes of different sizes, made by the application of flocculant to sludge, under lower consolidation pressures. Three types of experimental studies were carried out using clay floes of different sizes. Based on the results of dewatering and consolidation tests, it can be concluded that the floes' compressibility decreases with the increase in their size under consolidation pressures below 10 kPa, and that the hydraulic consolidation test could reliably predict initial deformation under lower consolidation pressures.

    Original languageEnglish
    Publication statusPublished - 2018 Jan 1
    EventISRM International Symposium 2000, IS 2000 - Melbourne, Australia
    Duration: 2000 Nov 192000 Nov 24

    Other

    OtherISRM International Symposium 2000, IS 2000
    CountryAustralia
    CityMelbourne
    Period00/11/1900/11/24

    ASJC Scopus subject areas

    • Geochemistry and Petrology
    • Geophysics

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  • Cite this

    Ibaraki, M., Sasahara, T., Sugawara, Y., & Akaki, H. (2018). Consolidation property of a highly compressible construction waste sludge. Paper presented at ISRM International Symposium 2000, IS 2000, Melbourne, Australia.