METHOD FOR REMOVING FILLED SAND AND POWER CABLE IN SUBTERRANEAN BURIED TROUGH, METHOD FOR REGENERATING TROUGH AND FOR FILLING HOLLOW PORTION

PROBLEM TO BE SOLVED: To provide a method for removing filled sand and a power cable in a subterranean buried trough, a method for regenerating the trough, and for filling a hollow portion for removing the power cable and the filled sand in the trough, filling fluidized treated sand in the hollow po...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WADA SABURO, MIYAUCHI YASUSHI, SAKAMAKI HITOSHI, OKADA HIROAKI, HAYASHI NOBUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER EARTH DRILLING ELECTRICITY FIXED CONSTRUCTIONS GALLERIES GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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