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Rowe proposed a stress–dilatancy relation for granular assemblies in a dense packing of the form Ė=tan2(¼π+½φμ). He used a minimum energy ratio principle to develop this relation. It is shown here that the same result is obtained by considering the same model of toothed separation planes as that treated by Rowe, and applying to that model the laws of friction only.

Rowe a proposé une relation entre la dilatance et les contraintes pour des ensembles granulaires denses de la forme Ė=tg2(¼π+½φμ). Il a utilisé un principe de taux d'énergie minimum afin de développer cette relation. Il est montré ici que le même résultat est obtenu en considérant le même modèle de plans de séparation dentelés que celui traité par Rowe, et en appliquant à ce modèle les lois de frottement, exclusivement.

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