Fig. 1

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Vue schématique de l’interface barre-scellement (r = Rb) et des matériaux environnants, avec positionnement des variables d’interface et variables mesurables. Les rayons extérieurs du scellement et du terrain sont Rg et Rr respectivement.
Schematic representation of the bolt-grout interface (r = Rb) and the surrounding materials. The interface and observable variables are located. The borehole and rock sample outer radii are denoted by Rg and Rr respectively.
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