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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
E21D11/04—Lining with building materials
E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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FR909330D1944-09-301944-09-30Procédé d'établissement en galerie ou puits de conduites dont la paroi est soumise à une auto-contrainte
ExpiredFR909330A
(fr)