Home > Term: top heading
top heading
A method of driving used for adits, tunnels, and drifts. The upper part or top heading is driven to the full length, before the enlargement of the rest of the section is carried out.
- 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)
