Bearing system and grouting anchor rod

The invention relates to the technical field of supporting, in particular to a bearing system and a grouting anchor rod, comprising: a drill body assembly including a rod body, a grouting channel integrally formed in the rod body, a slurry outlet penetrating through the outer wall of the rod body an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BIAN MEIHUA, CHEN HENG, LI JUNHUA, ZHANG XINGSEN, LU ZHANQIANG, PENG JIANING, LIU GUICHAN, TAN SONGLIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LARGE UNDERGROUND CHAMBERS MINING PERFORMING OPERATIONS SHAFTS SLEDGES TRANSPORTING TUNNELS
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