Fig. 5
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Chemin de contraintes dans le plan (p’,q) en fonction du taux de déconfinement en 2D et de la distance au front de taille en 3D à 1 m de la section (a) en clé (b) à 45° de l’axe vertical (c) en rein.
Stress path in (p’,q) plan versus stress relaxation factor in 2D and distance to the excavation face in 3D at 1 m from section (a) in crown (b) 45° from vertical axis (c) in sidewall.
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