Abstract:SUMMARYDeep excavation in some geological media needs lining of the gallery. This could limit the extent of the so-called excavation damaged zone and the resulting convergence of the material due to tunneling. Boom clay, the reference potential host rock in Belgium for disposal of high-level radioactive waste, is one of these media for which lining of the gallery walls is essential. A correct simulation of the lining behavior in the course of the excavation process, where the rock comes into contact with the l… Show more
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