Volume 16, Issue 1 (March 1993)

    Friction at the Cohesionless Soil-Structure Interface: Effect of Various Parameters according to a Classic Study and a New Approach

    CODEN: GTJOAD

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    Abstract

    A direct shear box, a ring shear apparatus, and a minipressuremeter are used: (1) to study the behavior of the cohesionless soil-structure interface; (2) to evaluate the friction mobilized at this interface. Tests have been carried out with a continual displacement of the structure in contact with the soil. The applied normal stress was kept constant during all tests. The influence of the mineralogy, the initial density, and the roughness are analyzed. The tests show that it is difficult to obtain identical laboratory results with different apparatus. It is necessary to validate these apparatus with the help of a comparison of in situ results. Once this validation is done, especially for the mini-pressuremeter, it is reasonable to consider the mini-pressuremeter for calibrating the structure in cohesionless soils.


    Author Information:

    Abderrahim, A
    Temporary assistant for teaching and research, Laboratoire de Géomécanique, Ecole Nationale Supérieure de Géologie, Vandœuvre,

    Tisot, JP
    professor, Laboratoire de Géomécanique, Ecole Nationale Supérieure de Géologie, Vandœuvre,


    Stock #: GTJ10275J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ10275J

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    Author
    Title Friction at the Cohesionless Soil-Structure Interface: Effect of Various Parameters according to a Classic Study and a New Approach
    Symposium , 0000-00-00
    Committee D18