Fig. 1

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Profil schématique du massif rocheux sous les fondations des piles VI, VII et VIII du Pont du Gard. Principe du renforcement par boulonnage. Les directions de deux principales familles de discontinuités sont indiquées en rouge. Vue de l’amont vers l’aval.
Schematic profile of the rock mass under the foundations of piers VI, VII and VIII. Principe of reinforcement by bolting. The direction of the two main families of discontinuities are indicated in red. View from upstream to downstream.
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