Programme  Titles  Presenters  Topics  Session 2A: Packings and Force Transmission Experiments Monday, July 13, 2009, Monday, July 13, 2009 1:30 pm Metals Hall Chair: David Wu 2A-1 History Dependence of the density Distribution in Granular Heaps Jian Chen*, Lisa Watanabe, Hide Sakaguchi, Hans-Georg Matuttis 2A-2 Image segmentation techniques for granular materials Joana Fonseca*, Catherine O'Sullivan, Matthew Coop 2A-3 Application of A Radial Return Algorithm For Resolving Inelastic Behavior of A Random Array of Identical Spheres Vincent Prantil 2A-4 Mechanichal behavior of a nonchesive packing at small deformations: deviation from Continuum Elasticity. El Hadji Bouya Amar, Didier Clamond, Nathalie Fraysse, Jean Rajchenbach* 2A-5 Effect of primary particle size on the granule properties Nejat Rahmanian*, Mojtaba Ghadiri, Yulong Ding, Xiaodong Jia 2A-6 Acoustic probing of the contact network dynamics in a granular medium during shear-band formation Yacine Khidas*, Xiaoping Jia 2A-7 Quasistatic behavior and force transmission in packing of irregular polyhedral particles. Emilien Azema*, Farhang Radjai, Gilles Saussine