E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
E02D29/00—Independent underground or underwater structures; Retaining walls
E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
E02D29/055—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
Landscapes
Engineering & Computer Science
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Mining & Mineral Resources
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Environmental & Geological Engineering
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Life Sciences & Earth Sciences
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General Life Sciences & Earth Sciences
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Paleontology
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Civil Engineering
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General Engineering & Computer Science
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Structural Engineering
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Conveying And Assembling Of Building Elements In Situ
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Verfahren zur Herstellung von Stahlbetonbauten wie unterirdischen Strecken, Strassentunnels usw; vorgefertigte Betonelemente für die Herstellung solcher Bauten
Procede de realisation d'ouvrages en beton arme tels que galeries souterraines, tunnels routiers etc. ; elements en beton prefabriques pour la realisation de tels ouvrages