Volumetric behaviour of compacted London Clay during wetting and loading

L. Zdravkovic, A. Ridley, R. Monroy*

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    11 Citations (Scopus)


    In this study, the mechanical behaviour of a compacted clay in equilibrium with the atmospheric pressure was investigated. Samples of London Clay were compacted to the same initial conditions, corresponding to dry of optimum moisture content on a Proctor plot, and were taken along complex stress paths, involving wetting under a constant vertical stress, wetting under a condition of zero volumetric strain, and loading and unloading at a constant value of matric suction. Tests were performed with a combination of standard and osmotic oedometers-the latter developed specifically at Imperial College London to test unsaturated soils under atmospheric conditions. Samples taken along different hydration paths displayed similar post-yield behaviour when loaded at a constant suction, suggesting that common yield surface in the e: s: sigma(v) space (where e denotes void ratio, s is the matric suction, and sigma(v) is the vertical stress) controls the plastic volumetric behaviour of unsaturated London Clay during loading following monotonic hydration.

    Original languageEnglish
    Title of host publicationUnsaturated Soils
    Subtitle of host publicationAdvances in Geo-Engineering
    EditorsD G Toll, C E Augarde, D Gallipoli, S J Wheeler
    PublisherTaylor & Francis
    Number of pages6
    ISBN (Electronic)978-0-203-88443-0
    ISBN (Print)978-0-415-47692-8
    Publication statusPublished - 2008
    Event1st European Conference on Unsaturated Soils - Durham, United Kingdom
    Duration: 2 Jul 20084 Jul 2008


    Conference1st European Conference on Unsaturated Soils
    Abbreviated titleE-UNSAT 2008
    Country/TerritoryUnited Kingdom




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