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Fig. 2

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Présentation d’un essai pénétrométrique avec mesure, à gauche, de Qc statique (Qc2cm/s) et de Qc à l’arrêt et à droite, ΔQc = (Qc2cm/s−Qcarrêt) / Qc2cm/s. Lorsque ΔQc est supérieur ici à 40 % l’horizon est supposé comme potentiellement liquéfiable et sera contrôlé par un essai au pénétromètre cyclique.

Presentation of a penetrometer test with measurement, on the left, of static Qc (Qc2cm/s) and Qc at rest and, on the right, ΔQc=(Qc2cm/s−Qcarrêt) / Qc2cm/s. When ΔQc is greater than 40% here, the horizon is assumed to be potentially liquefiable and will be checked by a cyclic penetrometer test.

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