C. Liu, S. R. Nagel, D. A. Schecter, S. N. Coppersmith, S. Majumdar et al., Force Fluctuations in Bead Packs, Science, vol.269, issue.5223, p.513, 1995.
DOI : 10.1126/science.269.5223.513

F. Radjai, M. Jean, J. Moreau, and S. Roux, Force Distributions in Dense Two-Dimensional Granular Systems, Physical Review Letters, vol.77, issue.2, p.274, 1996.
DOI : 10.1103/PhysRevLett.77.274
URL : https://hal.archives-ouvertes.fr/hal-00759668

H. M. Jaeger, S. R. Nagel, and R. P. Behringer, Granular solids, liquids, and gases, Reviews of Modern Physics, vol.68, issue.4, p.1259, 1996.
DOI : 10.1103/RevModPhys.68.1259

D. M. Mueth, H. M. Jaeger, and S. R. Nagel, Force distribution in a granular medium, Physical Review E, vol.57, issue.3, p.3164, 1998.
DOI : 10.1103/PhysRevE.57.3164

G. Lovol, K. Maloy, and E. Flekkoy, Force measurements on static granular materials, Physical Review E, vol.60, issue.5, p.5872, 1999.
DOI : 10.1103/PhysRevE.60.5872

S. G. Bardenhagen, J. U. Brackbill, and D. Sulsky, Numerical study of stress distribution in sheared granular material in two dimensions, Physical Review E, vol.62, issue.3, p.3882, 2000.
DOI : 10.1103/PhysRevE.62.3882

L. Silbert, Force heterogeneities in particle assemblies: From order to disorder, Physical Review E, vol.74, issue.5, p.51303, 2006.
DOI : 10.1103/PhysRevE.74.051303

A. Van-eerd, W. G. Ellenbroek, M. Van-hecke, J. Snoeijer, and T. H. Vlugt, Tail of the contact force distribution in static granular materials, Physical Review E, vol.75, issue.6, p.60302, 2007.
DOI : 10.1103/PhysRevE.75.060302

F. Radjai, D. E. Wolf, M. Jean, and J. Moreau, Bimodal Character of Stress Transmission in Granular Packings, Physical Review Letters, vol.80, issue.1, p.61, 1998.
DOI : 10.1103/PhysRevLett.80.61
URL : https://hal.archives-ouvertes.fr/hal-01407369

C. Voivret, F. Radjai, J. Delenne, and M. S. Youssoufi, Multiscale Force Networks in Highly Polydisperse Granular Media, Physical Review Letters, vol.102, issue.17, p.178001, 2009.
DOI : 10.1103/PhysRevLett.102.178001
URL : https://hal.archives-ouvertes.fr/hal-00689872

N. Estrada, A. Taboada, and F. Radjai, Shear strength and force transmission in granular media with rolling resistance, Physical Review E, vol.78, issue.2, p.21301, 2008.
DOI : 10.1103/PhysRevE.78.021301
URL : https://hal.archives-ouvertes.fr/hal-00412020

E. Azéma, F. Radjai, R. Peyroux, and G. Saussine, Force transmission in a packing of pentagonal particles, Physical Review E, vol.76, issue.1, p.11301, 2007.
DOI : 10.1103/PhysRevE.76.011301

N. Estrada, E. Azema, F. Radjai, and A. Taboada, Identification of rolling resistance as a shape parameter in sheared granular media, Physical Review E, vol.84, issue.1, p.11306, 2011.
DOI : 10.1103/PhysRevE.84.011306
URL : https://hal.archives-ouvertes.fr/hal-00594891

C. R. Abreu and N. M. Tavares, Influence of particle shape on the packing and on the segregation of spherocylinders via Monte Carlo simulations, Powder Technology, vol.134, issue.1-2, p.167, 2003.
DOI : 10.1016/S0032-5910(03)00151-7

A. Donev, R. Connelly, F. Stillinger, and S. Torquato, Underconstrained jammed packings of nonspherical hard particles: Ellipses and ellipsoids, Physical Review E, vol.75, issue.5, p.51304, 2007.
DOI : 10.1103/PhysRevE.75.051304

A. Wouterse, S. Williams, and A. Philipse, Effect of particle shape on the density and microstructure of random packings, Journal of Physics: Condensed Matter, vol.19, issue.40, pp.406215-406229, 2007.
DOI : 10.1088/0953-8984/19/40/406215

E. Azéma and F. Radja¨?radja¨?, Stress-strain behavior and geometrical properties of packings of elongated particles, Physical Review E, vol.81, issue.5, p.51304, 2010.
DOI : 10.1103/PhysRevE.81.051304

I. Zuriguel, T. Mullin, and J. Rotter, Effect of Particle Shape on the Stress Dip Under a Sandpile, Physical Review Letters, vol.98, issue.2, p.28001, 2007.
DOI : 10.1103/PhysRevLett.98.028001

R. C. Hidalgo, I. Zuriguel, D. Maza, and I. Pagonabarraga, Role of Particle Shape on the Stress Propagation in Granular Packings, Physical Review Letters, vol.103, issue.11, p.118001, 2009.
DOI : 10.1103/PhysRevLett.103.118001

F. Radjai, Physics of dry granular media, chap. Multicontacts dynamics, p.305, 1997.

F. Dubois and M. Jean, Analysis and Simulation of Contact Problems The non smooth contact dynamic method: recent LMGC90 software developments and application, pp.375-378, 2006.

R. Folk, Petrology of Sedimentary Rocks, 1974.

G. Saussine, C. Cholet, P. Gautier, F. Dubois, C. Bohatier et al., Modelling ballast behaviour under dynamic loading. Part 1: A 2D polygonal discrete element method approach, Computer Methods in Applied Mechanics and Engineering, vol.195, issue.19-22, p.2841, 2006.
DOI : 10.1016/j.cma.2005.07.006
URL : https://hal.archives-ouvertes.fr/hal-00580793

C. Nouguier-lehon, B. Cambou, and E. Vincens, Influence of particle shape and angularity on the behaviour of granular materials: a numerical analysis, International Journal for Numerical and Analytical Methods in Geomechanics, vol.2, issue.14, p.1207, 2003.
DOI : 10.1002/nag.314

E. Azéma, F. Radjai, R. Peyroux, F. Dubois, and G. Saussine, Vibrational dynamics of confined granular materials, Physical Review E, vol.74, issue.3, p.31302, 2006.
DOI : 10.1103/PhysRevE.74.031302

I. Bratberg, F. Radjai, and A. Hansen, Dynamic rearrangements and packing regimes in randomly deposited two-dimensional granular beds, Physical Review E, vol.66, issue.3, p.31303, 2002.
DOI : 10.1103/PhysRevE.66.031303
URL : https://hal.archives-ouvertes.fr/hal-00759657

C. Voivret, F. Radjai, J. Delenne, and M. S. Youssoufi, Space-filling properties of polydisperse granular media, Physical Review E, vol.76, issue.2, p.21301, 2007.
DOI : 10.1103/PhysRevE.76.021301
URL : https://hal.archives-ouvertes.fr/hal-00759644