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    Volume 39, Issue 4 (July 2016)

    Effect of Ambient Temperature Variation on Triaxial Shear Testing of Sands

    (Received 21 December 2014; accepted 19 January 2016)

    Published Online: 05 July 2016

    CODEN: GTJODJ

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    Abstract

    Triaxial shear tests are often carried out in a temperature controlled laboratory environment, and a few degrees change in ambient temperature are often neglected or considered to have negligible effect on the experiment. In this study, the effect of the ambient temperature fluctuation on volume and pore water pressure measurements is investigated for triaxial testing of sand samples. The experimental results show that even few degrees (±2°C) variation in temperature can produce relatively large pore water pressures in a saturated soil specimen in triaxial testing. These changes can particularly impact triaxial shear testing results of sands. An analytical procedure is also introduced that reasonably captures temperature-induced volume and pore pressure changes in a triaxial sample. The analytical method is then used for a parametric study of the mechanisms involved in temperature-induced effects.


    Author Information:

    Sadrekarimi, A.
    Assistant Professor, Department of Civil and Environmental Engineering, 3010D Spencer Engineering Building, Western Univ., London, Ontario


    Stock #: GTJ20150160

    ISSN:0149-6115

    DOI: 10.1520/GTJ20150160

    Author
    Title Effect of Ambient Temperature Variation on Triaxial Shear Testing of Sands
    Symposium ,
    Committee D18