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GALERIE AVANCEMENT DIRECTION [1 record]
Record 1 - internal organization data 1999-05-11
Record 1, English
Record 1, Subject field(s)
- Underground Mining
Record 1, Main entry term, English
- drift heading 1, record 1, English, drift%20heading
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The rock mass is first fractured by drilling and blasting and then mucked out through drift headings underneath the rock mass cave. It qualifies as a safe mining method because the miners always work inside drift-size openings. 1, record 1, English, - drift%20heading
Record number: 1, Textual support number: 1 OBS
heading: A roadway driven in a coal seam, unless it is a hard heading which is driven in stone. A coal heading does not normally follow the strike of the seam - it is usually driven to the rise or to the dip. In Longwall stall mining, the stalls are turned off the headings. 2, record 1, English, - drift%20heading
Record number: 1, Textual support number: 2 OBS
drift: A passageway driven in the coal from the surface, following the inclination of the bed. 3, record 1, English, - drift%20heading
Record 1, French
Record 1, Domaine(s)
- Exploitation minière souterraine
Record 1, Main entry term, French
- galerie d'avancement en direction
1, record 1, French, galerie%20d%27avancement%20en%20direction
proposal, see observation, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Sous le terme générique anglais de «drift» qui s'applique exclusivement à des galeries creusées dans la direction du gisement (en français «traçage»), on regroupe toute la variété des galeries : voie de fond, voie de niveau, galerie en direction, galerie de roulage, etc. Pour simplifier les choses, nous n'établirons qu'une seule différence générale entre galerie (drift) et travers-banc (cross-cut). Le travers-banc (cross-cut) désigne une coupe en travers du gisement; son rôle, en recoupant la veine, est essentiellement d'établir la connexion entre les voies de roulage de niveau creusées dans le gisement. Le travers-banc sert également dans les travaux de recherches ou de prospection. La galerie (drift), creusée dans le gisement d'après son vrai sens de galerie en direction ou de niveau, a une triple fonction : a) elle sert de base à l'exploitation des chantiers (stopes); b) elle est utilisée comme voie de roulage [...]; c) elle sert aussi subsidiairement comme voie de recherches dans les travaux de prospection. 2, record 1, French, - galerie%20d%27avancement%20en%20direction
Record 1, Spanish
Record 1, Textual support, Spanish
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