Setting pressure device for support of U-shaped steel course

The utility model relates to a setting pressure device for the support of a U-shaped steel course. The setting pressure device comprises an upper setting pressure clipping cable and a lower setting pressure clipping cable which are arranged on the U-shaped steel beam and positioned in the fore and a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI ZHIBEN, LI XUEHUA, YAO QIANGLING, JIANG GUANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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