Equations of pressuremeter curve with an elastic strain-softening plastic model
Résumé
We propose analytical expressions of the pressuremeter curve that generalise previous equations found in the literature. We consider a linear elastic plastic model with strain-softening, assuming a Mohr-Coulomb yield surface. The softening behaviour affects either the cohesion or the friction angle. Three parameters are required to describe the softening behaviour. We finally show the effect of each of these three parameters on the pressuremeter curve.
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