Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2005-06-14
Poudres & Grains 10, 1-5, (1999)
Physics
Condensed Matter
Soft Condensed Matter
6 pages, 1 figure
Scientific paper
Using the recent incremental modelling, it is shown that the trajectory of a sample in the phase space of soil mechanics in the vicinity of the critical state is not governed by the rigidity matrix, but by its variations. The characteristics are used to predict that pseudo Young modulus tends to 0 as B -M-1 tends to 0, i.e. near the critical point, where B is the vertical-to-lateral-stress ratio during an axi-symmetric test. An attempt to understand and predict unstable behaviours is done using the same modelling. Compatibility of this modelling with results on soil liquefaction is emphasised.
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