Multi-section anchoring force increasing anchor rod and mine supporting structure

The utility model relates to the technical field of mine development, in particular to a multi-section anchoring force increasing anchor rod and a mine supporting structure, which comprises a sleeve and a rod body, and the rod body is inserted into the sleeve; a plurality of groups of blocking devic...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU BO, XIAO YULEI, YU ZHEN, WANG XINLI, LIU CHANG, PU ZHANGPENG, WANG ZHEN, LIN FANYOU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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