Fractured rock mass multi-section self-expansion anchor rod and method for calculating drawing force of anchor rod

The invention provides a fractured rock mass multi-section self-expansion anchor rod and an anchor rod drawing force calculation method. The fractured rock mass multi-section self-expansion anchor rod comprises an anchoring structure, a sleeve, an expansion assembly and a movable extrusion assembly....

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG WEI, NIU QINGHE, YUAN WEI, PEI ZIHAO, WANG ANLI, SUN RUIFENG, WANG LIYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING SHAFTS SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES
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