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FOUDROYAGE MASSE MINERAI [1 record]
Record 1 - internal organization data 2005-07-18
Record 1, English
Record 1, Subject field(s)
- Extraction Procedures - Various (Mining)
Record 1, Main entry term, English
- block caving
1, record 1, English, block%20caving
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- block-caving 2, record 1, English, block%2Dcaving
correct
- block caving method 3, record 1, English, block%20caving%20method
correct
- block-caving mining method 4, record 1, English, block%2Dcaving%20mining%20method
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A method of caving in which a thick block of ore is partly cut off from surrounding blocks by a series of drifts, one above the other, or by boundary shrinkage stopes. 5, record 1, English, - block%20caving
Record number: 1, Textual support number: 1 OBS
[This block] is then undercut by removing a slice of ore or a series of slices separated by small pillars underneath the block. The isolated, unsupported block of ore breaks and caves under its own weight. The broken ore is drawn off from below, and as the caved mass moves downward, due to continued drawing of broken ore from below, it is broken further by pressure and attrition. The overlying capping caves and follows the broken ore downward. 5, record 1, English, - block%20caving
Record number: 1, Textual support number: 2 OBS
Block Caving [or] block caving method: so called because mining occurs sequentially in segments or blocks 60 to 150 m (200 to 500 ft) on a side in all three directions. 6, record 1, English, - block%20caving
Record 1, French
Record 1, Domaine(s)
- Procédés d'extraction divers (Exploit. minière)
Record 1, Main entry term, French
- foudroyage par blocs
1, record 1, French, foudroyage%20par%20blocs
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- méthode d'exploitation par blocs foudroyés 2, record 1, French, m%C3%A9thode%20d%27exploitation%20par%20blocs%20foudroy%C3%A9s
correct, feminine noun
- éboulement en masse 3, record 1, French, %C3%A9boulement%20en%20masse
correct, masculine noun
- méthode d'exploitation par abattage par le tir après sous-cavage 4, record 1, French, m%C3%A9thode%20d%27exploitation%20par%20abattage%20par%20le%20tir%20apr%C3%A8s%20sous%2Dcavage
feminine noun
- méthode des blocs foudroyés 5, record 1, French, m%C3%A9thode%20des%20blocs%20foudroy%C3%A9s
feminine noun
- blocs foudroyés 6, record 1, French, blocs%20foudroy%C3%A9s
masculine noun, plural
- foudroyage en masse du minerai 7, record 1, French, foudroyage%20en%20masse%20du%20minerai
masculine noun
- foudroyage en masse 6, record 1, French, foudroyage%20en%20masse
masculine noun
- exploitation par blocs foudroyés 8, record 1, French, exploitation%20par%20blocs%20foudroy%C3%A9s
feminine noun
- découpage en massifs d'abattage 9, record 1, French, d%C3%A9coupage%20en%20massifs%20d%27abattage
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Variante de la méthode d'exploitation par foudroyage. L'amas de minerai est découpé en blocs de dimensions importantes. Le minerai se désagrège spontanément par foudroyage et descend en masses. Le soutirage se fait dans un réseau d'entonnoirs ménagés à la base du bloc. 2, record 1, French, - foudroyage%20par%20blocs
Record number: 1, Textual support number: 1 CONT
Le foudroyage par blocs [...] consiste à sous-caver un bloc de minerai de plusieurs dizaines de mètres de hauteur pour provoquer son foudroyage. [...] La base du bloc est découpée en entonnoirs, au-dessus des cheminées de soutirage qui permettent au minerai foudroyé de descendre par gravité dans les niveaux de raclage horizontaux. Le foudroyage est amorcé par le dépilage d'une tranche de minerai à la base du bloc et progresse dans la masse du minerai, puis dans les terrains stériles de recouvrement. 1, record 1, French, - foudroyage%20par%20blocs
Record 1, Key term(s)
- découpage en massifs d'abatage
- exploitation par abattage par le tir après sous-cavage
Record 1, Spanish
Record 1, Textual support, Spanish
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