SHIELD MACHINE AND EXCAVATING METHOD

PROBLEM TO BE SOLVED: To provide a shield machine and an excavating method, by which the size of cut-out and excavated materials to be excavated can be adjusted. SOLUTION: A pedestal 60-1 or the like, on which a preceding bit 72-1 and a succeeding bit 82-1 are fixed, is installed to a link 200. The...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ITO HIROYUKI, IWAI YOSHIO, ASAI YASUHIKO, YASUMOTO MASATAKE, SAKUMA YUJI, SHIMIZU YOSHIHARU, NAKAMURA KONOSUKE, UEHARA TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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