Capillary cohesion and mechanical strength of polydisperse granular materials F. Soulié, M. S. El Youssoufi, F. Cherblanc and C. Saix Eur. Phys. J. E, 21 4 (2006) 349-357 Published online: 12 February 2007 DOI: 10.1140/epje/i2006-10076-2