SHAFT EXCAVATION UNIT AND SHAFT EXCAVATION METHOD

PROBLEM TO BE SOLVED: To improve the efficiency of shaft excavation. SOLUTION: The excavation unit 10 is equipped with a support base 12, upper and lower cylinders 14, 16, an excavator 18, a suction pipe 20 (20a), and a mortar pressure feed pipe 22. The support base 12 is furnished with a gripper 12...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KOYAMA HIROSHI, NIIHORI TOSHIHIKO, YAMAZAKI TAICHI, SHIINA SHIYOUICHI, MORIMOTO TAKEO, TAKEDA ATSUSHI, YAMAMOTO YUKINOBU, FUJITA KENJIRO
Format:	Patent
Sprache:	eng
Schlagworte:	DREDGING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS SOIL SHIFTING TUNNELS
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