Apparatus for reducing friction resistance between shield machine shield body and tunneling wall

A device for reducing the frictional resistance between the shield machine shield body and tunneling wall applied in the technical field of tunnel driving; the device comprises shield body, steel pipe, valve, lubricant pipeline, distributor, pipeline, first control valve, second control valve, foam...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG SHUOJI, GAO WEIXIAN, MA HANCHUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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