Novel expansion anchor rod

The invention provides a novel expansion anchor rod. The novel expansion anchor rod comprises a sleeve and a grouting pipe arranged in the sleeve in a sleeved mode. The grouting pipe is provided with a reducing expansion end part at the end part of the anchoring side of the novel expansion anchor ro...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ANG PENGPENG, CHEN TIELIN, GAN PENGLU, GU YANHONG, CAO MIAOFENG, SHEN BIHUI, FAN RONG, LIU CHANGBAO, XI PEISEN, XIONG SONG
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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