METHOD OF JOINING SHIELD MACHINE UNDERGROUND AND JOINING SHIELD MACHINE THEREFOR

PURPOSE:To enable and ensure the joining of both shield machines when a tunnel is excavated from opposite directions by two shield machines to pass through the tunnel. CONSTITUTION:Ring-shaped freezing pipes 4 are arranged to the insides of the thick open ends of skin plates 3 of both shield machine...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MISHIMA KIYOUSUKE, MAEDA AKIYA, MASUDA MASAKAZU, MURAKAMI SUSUMU
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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