Assembly type pipe segment structure of top pipe

The utility model discloses an assembly type pipe segment structure of a top pipe. The structure is characterized in that pre-embedded steel plates used for connection are arranged in a pipe segment, and a preset grouting device is arranged in the pipe segment, and a grout outlet of the preset grout...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHAI ZHIYANG, PENG CHUNQIANG, ZHANG YI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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