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TROU AGRANDISSEMENT [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1989-03-14

English

Subject field(s)
  • Blasting Work (Mining)
CONT

A borehole that is loaded and fired for the purpose of relieving or removing part of the burden of the charge to be fired in the main blast.

French

Domaine(s)
  • Travail aux explosifs (Exploitation minière)
CONT

(...) les premiers trous à exploser dans une "volée" (round of holes) sont les trous de bouchon (cut holes). On fore ensuite les trous et on les explose dans l'ordre de succession suivant : les trous entourant immédiatement le bouchon et appelés trous de dégraissage ou de dégagement (...)

Spanish

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