Volume 26, Issue 2 (December 2004)

    A Device for Studying Fresh Concrete Friction

    (Received 19 February 2003; accepted 11 March 2003)

    CODEN: CCAOAD

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    Abstract

    Many civil engineering applications are confronted with problems caused by friction (wear, head losses, etc.). A tribometer for fluid material was therefore developed. The principle consists in pressing fresh concrete samples against a moving metal surface and measuring the tangential force. The validation of this new instrumentation is presented. Results obtained on two concretes show that the friction does not follow Coulomb's Law. The main parameters (pressure, velocity) involved during formwork filling are taken into account.


    Author Information:

    Magnin, A
    Laboratoire de Rhéologie, Grenoble Cedex,

    Djelal, C
    Laboratoire Artois Mécanique et Habitat, FSA, Rue de l'Université, Béthune Cedex,

    Vanhove, Y
    Laboratoire Artois Mécanique et Habitat, FSA, Rue de l'Université, Béthune Cedex,


    Stock #: CCA11897

    ISSN: 0149-6123

    DOI: 10.1520/CCA11897

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    Author
    Title A Device for Studying Fresh Concrete Friction
    Symposium , 0000-00-00
    Committee C01