Abstract

The mechanical behavior of a granular system is greatly influenced by its packing geometry. In this work, the concept of “Voronoi polyhedron” is utilized to characterize granular packings and it is shown that polyhedral tessellations can be used to represent packings of multisized particles. A stress strain theory, based on micro-mechanical considerations, tor small deformations of such packings is then described. The derived stress strain relationship is compared with experimental results.

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