MAKSE, HERNÁN A. - In: Advances in Complex Systems (ACS) 04 (2001) 04, pp. 491-501
The elastic properties of granular materials can be enormously nonlinear as compared with the properties of non-porous materials. Experiments on isotropic compression of a granular assembly of spheres show that the shear μ, and bulk k, moduli vary with the confining pressure faster than the 1/3...