JACKING METHOD BY UNDERWATER ARRIVAL

PROBLEM TO BE SOLVED: To provide a jacking method in which a guiding machine therefor can be easily recovered even in an underwater part, thereby dispensing the construction of an arrival shaft and reducing construction cost.SOLUTION: Water cut-off between a casing 4 and natural ground G is carried...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHIROEDA TETSUJI, KUGA TOSHIMITSU, OKUTSU KENTARO, NEO KEIJIRO, KIYAMA RYUJIRO, HORI TETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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