Pressure screening and fluctuations at the bottom of a granular column

L. Vanel and E. Clément ()

The European Physical Journal B: Condensed Matter and Complex Systems, 1999, vol. 11, issue 3, 525-533

Abstract: We report sets of precise and reproducible measurements on the static pressure at the bottom of a granular column. We make a quantitative analysis of the pressure saturation when the column height is increased. We evidence a great sensitivity of the measurements with the global packing fraction and the eventual presence of shear bands at the boundaries. We also show the limit of the classical Janssen model and discuss these experimental results under the scope of recently proposed theoretical frameworks. Copyright Società Italiana di Fisica, Springer-Verlag 1999

Keywords: PACS. 61.43.Gt Powders; porous materials; 81.05.Rm Porous materials; granular materials; 83.70.Fn Granular solids (search for similar items in EconPapers)
Date: 1999
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DOI: 10.1007/s100510050965

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