Emergency sealing device and method for preventing shield tail from gushing water and sand and shield equipment

The invention provides an emergency sealing device and method for preventing a shield tail from gushing water and sand and shield equipment. According to the emergency sealing device, in the normal tunneling process of a shield tunneling machine, an air bag is in a contraction state; when the shield...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHU JICHENG, ZHAO BIN, CHEN JIANFU, WEI CHAOCHAO, XU HUIWANG, CHEN PENG, WU YULI, SHENG ZHENGYANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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