Schalplatte und Schalverfahren

Casings acting as circular-section revetments or coverings of cavities formed in the ground to resist the thrust of the ground; in said casing, a panel which adapts itself to the ground it must cover and which has an arcuate web bordered by inner flanges constituting a roughly rectangular frame, the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MARIE OGER,JACQUES FRANCOIS, GEORGES LEBLOND,CHRISTIAN
Format:	Patent
Sprache:	ger
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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