SHIELD MACHINE

To provide a shield machine capable of predicting a factor that reduces excavation efficiency.SOLUTION: A shield machine includes a machine body, a cutter head provided at the tip of the machine body, a shield jack for advancing the machine body, and an evaluation device for evaluating excavation. A...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ITO TAKAO, HOTODA RYO, TAKAHARA TAKESHI, WAKITA RYOSUKE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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