Precursors to avalanches in a granular monolayer

[en] We investigate the stability of a granular monolayer composed of spherical grains on an inclined plate. When the tilt angle alpha increases, some reorganizations are observed throughout the pile. The packing fraction rho of the packing evolves by successive jumps. Those discontinuous events precede the collapse of the pile at a critical angle alphac. The occurrence of precursors before avalanches is modeled by stop-and-go motions of blocks due to the competition between sliding friction and the Janssen effect [J. Durand, (Springer-Verlag, New York, 2000)].

Disciplines :

Physics

Author, co-author :

Scheller, T.

Huss, C.

Lumay, Geoffroy ; Université de Liège - ULiège > Département de physique > Département de physique

Vandewalle, Nicolas ; Université de Liège - ULiège > Département de physique > Physique statistique

Dorbolo, Stéphane ; Université de Liège - ULiège > Département de physique > Physique statistique

Language :

English

Title :

Precursors to avalanches in a granular monolayer

Publication date :

September 2006

Journal title :

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

ISSN :

1539-3755

eISSN :

1550-2376

Publisher :

American Physical Soc, College Pk, United States - Maryland

Volume :

Issue :

3, Pt 1

Pages :

31311

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 07 August 2009

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