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    Volume 4, Issue 4 (December 1981)

    A Ring Torsion Apparatus for Evaluating Friction Between Soil and Metal Surfaces

    CODEN: GTJOAD

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    Abstract

    A ring torsion apparatus was used to evaluate friction between-dry sand and a steel surface over wide ranges of surface roughness and sand density. The deformation of sand near the steel surface was observed by X-radiography. The apparatus is suitable for evaluating skin friction under well-defined test conditions. The test results show that frictional resistance is primarily governed by the roughness of the steel surface, irrespective of the density of the sand.


    Author Information:

    Yoshimi, Y
    Professor, Tokyo Institute of Technology, Yokohama,

    Kishida, T
    Senior Engineer, Toa Harbor Works, Ltd., Yokohama,


    Stock #: GTJ10783J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ10783J

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    Author
    Title A Ring Torsion Apparatus for Evaluating Friction Between Soil and Metal Surfaces
    Symposium , 0000-00-00
    Committee D18