Multi-anticorrosion hollow top water grouting anchor rod and construction method thereof

The invention relates to the technical field of anchor rods, in particular to a multi-anti-corrosion hollow top water grouting anchor rod and a construction method thereof.The multi-anti-corrosion hollow top water grouting anchor rod comprises a hollow anchor rod body used for top water grouting and...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN LIBAO, XIAO MINGQING, MEI HANHONG, LIU PENG, GUAN HONGHAO, GUO YONGJIAN, WANG YONG, WANG XIHAO, JIN LINSEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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