Fig. 3

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Les différentes méthodes sismiques utilisées pour la caractérisation et le suivi de la zone endommagée : a : la sismique réfraction ; b : l’analyse des ondes de surface ; c : la diagraphie sismique ; d : les méthodes sismiques « puits à puits ».
Different seismic methods used to characterize and to monitor the excavation damaged zone: a: the seismic refraction method; b: the analysis of surface waves; c: the seismic logging; d: the “well-to-well” seismic methods.
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