Slurry overflow prevention tool for shield construction in high-cold ultra-shallow earthing area

The utility model belongs to the technical field of civil engineering construction, and relates to an alpine ultra-shallow earthing area shield construction grout overflow prevention tool which comprises a monitoring rod embedded in a monitoring point hole site and a protective cover arranged above...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LA BAOCHENG, HE CAN, WANG JIFENG, WEN JIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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