Sectional grouting device

The utility model relates to the technical field of tunnel construction, in particular to a segmented grouting device which comprises grouting pipes and a grout stopping pipe and further comprises a flange plate, the flange plate is provided with a plurality of grouting pipes which are arranged in a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU JUNFENG, LIU XIN, XIA TINGTING, YIN QIAN, ZHANG YINGXU, SONG HE, XING FEI, LEE HYEMIN, LIU HAO, HAO JUNSUO, LI PENGWEI, TAKAZATO SATOSHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS
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