Phys. Rev. Lett. 84, 1439 - 1442 (2000)Stresses in Silos: Comparison Between Theoretical Models and New Experiments |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1981: |
L. Vanel1, Ph. Claudin2, J.-Ph. Bouchaud2, M. E. Cates3, E. Clément1, and J. P. Wittmer4
1L.M.D.H., Université Paris VI, 4 place Jussieu-case 86, 75005 Paris, France
2Service de Physique de l'Etat Condensé, CEA, Orme des Merisiers, 91191 Gif-sur-Yvette Cedex, France
3Department of Physics and Astronomy, University of Edinburgh, JCMB King's Buildings, Mayfield Road, Edinburgh EH9 3JZ, United Kingdom
4Départment de Physique des Matériaux, Université C. Bernard-Lyon I, 43 Bvd du 11 Novembre 1918, 69622 Villeurbanne, France
Received 7 April 1999
We present precise and reproducible mean pressure measurements at the bottom of a cylindrical granular column. If a constant overload is added, the pressure is linear in overload and nonmonotonic in the column height. The results are quantitatively consistent with a local, linear relation between stress components, as was recently proposed by some of us. They contradict the simplest classical (Janssen) approximation, and may rather severely test competing models.
©2000 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v84/p1439
DOI: 10.1103/PhysRevLett.84.1439
PACS: 45.70.Cc, 83.70.Fn
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