Prestress constant-resistance large-deformation yielding anchor rod

The constant-resistance large-deformation yielding anchor rod with the prestress comprises a constant-resistance sleeve and a rod body, inner rib lines are carved on the inner surface of the constant-resistance sleeve, a crack is longitudinally formed in the constant-resistance sleeve, outer rib lin...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG KAI, XIE XIONGYAO, LEE KEONWANG, LI ANYUN, LIU QUANHUI, WANG QINGCANG, KANG XIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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