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Tableau 3

Résultats des calculs de stabilité (coefficient de sécurité F) pour le modèle de la Figure 5.

Results of the slope stability analysis (factor of safety F). Slope profile of Figure 5.

Méthode de calcul 1 2 3
F (cas purement frottant) 2,8 tgφa 2,9 tgφ tgφ
F (cas purement cohérent) 6,3 c/γHb 6,8 c/γH c/γH
a

Valeur pour δ = 90°, non optimisée.

b

Avec optimisation, qui conduit à δ voisin de 45°.

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