In-tunnel jacking method for cross underneath pass sewage pipeline of underground excavation power tunnel

The invention relates to a temporary back shore technology in the construction process of a cross underneath pass sewage pipeline of an underground excavation electric power tunnel by a shallow underground excavation method, and the back shore structure is characterized in that four steel stand colu...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LYU BAOSHAN, TIAN LIANG, CHEN SHIHUI, SONG XIAOKE, ZHANG HAIFENG, YANG CE, LYU JUNLING, SUN DALEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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