Home > Term: drop-shaft method
drop-shaft method
This sinking system consists in the use of a cutting shoe on the bottom of a shaft lining that is being continually augmented as the shoe descends, the material inside the lining being excavated.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Δημιουργός
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
