Tunnel segment pre-buried orifice pipe for freezing method connection channel

The invention discloses a tunnel segment pre-buried orifice pipe for connecting channels through a freezing method. The tunnel segment pre-buried orifice pipe comprises an orifice pipe pre-buried pipe (1), an orifice pipe external connecting pipe (2) and a choke plug (3). The orifice pipe embedded p...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU YONGXIAO, SU WENDE, ZHANG WENJUN, YUAN HANG, CHEN PEIXIN, HU CHAORONG, ZHAO YUTONG, HUANG RUI, HE GUOJUN, WAN MIN, FAN JIE, CHENG WENZHEN, ZHU YANFEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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