Gob entry struts wall body

The utility model discloses a gob entry struts wall body, include the wall body, bear support and boss, the wall body includes concrete block, concrete block is equipped with and strengthens groove and reinforcing bar layer, the reinforcing bar layer includes the reinforcing bar, the nodical departm...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG BAISHENG, LI JUNLIANG, LIU XUEYE, SHEN HAO, WANG HONG, YAN GUOCHAO, HE XIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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