Supporting device between tunnel pipe roofing steel jacking pipes

The utility model discloses a supporting device between tunnel pipe roof steel jacking pipes, and relates to the technical field of underground engineering construction. Comprising two pipe-roofing steel jacking pipe bodies, two locking angle steel male buckles and two locking angle steel female buc...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEN HAN, CHEN BIN, ZHANG CHEN, DU KE, LI PENGCHENG, BIAN HAIDING, WEI JIN, LI WEI, JIE XIN, LI JIAQI, YUAN GANG, ZHANG MENGHAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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