This work presents the theoretical framework of a new class of constitutive models, which allows to respect five simple physical hypotheses on the mechanical behavior of soils. The most significant of them is that the (effective) stress and the specific volume are the state variables of soils. The well-known Cam-Clay model may be seen as a particular case of the presented class of models. However, in its generality, this class of models allows to describe the progressive accumulation of plastic deformation under cyclic loading.

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Published on 22/07/19

Licence: CC BY-NC-SA license

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