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Pressure screening and fluctuations at the bottom of a granular column

Authors
Type
Preprint
Publication Date
Submission Date
Identifiers
DOI: 10.1007/s100510050965
arXiv ID: cond-mat/9904090
Source
arXiv
License
Unknown
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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.

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