Novel anchoring rod

A novel anchor bolt consists of a steel pipe and a triangle steel wire. The triangle steel wire is fixed on the steel pipe by high-strength adhesives. When the anchor bolt is screwed in a coal bed, the coal bed is pressed to deform and the triangle steel wire produces anchorage force to form full-le...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANCE ZHANG, YANGE ZHANG
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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