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E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
E21D11/14—Lining predominantly with metal
E21D11/28—Longitudinal struts, i.e. longitudinal connections between adjoining arches
Procede pour realiser un joint de construction entre deux elements prefabriques d'un ouvrage, joint de construction s'y rapportant et ouvrage comportant un tel joint.