TERMIUM Plus®

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CONTROLLED-BLASTING TECHNIQUE [1 record]

Record 1 2024-03-15

English

Subject field(s)
  • Blasting (Construction)
  • Blasting Work (Mining)
  • Explosives and Pyrotechnical Materials (Industries)
DEF

Various techniques used to limit the amount of backbreak developed during the blasting phase of the excavation cycle by reducing the level of ground shock vibrations.

CONT

There are six controlled blasting techniques that have been developed and designed to improve the stability of the final excavation. Each one of these has their unique features and design considerations for successful implementation into any blasting plan. The six controlled blasting techniques that will be discussed are (1) line drilling, (2) trim blasting, (3) buffer blasting, (4) smooth wall blasting, (5) air decking, and (6) presplitting.

OBS

controlled blasting technique: designation usually used in the plural.

Key term(s)
  • controlled-blasting technique
  • controlled blasting techniques
  • controlled-blasting techniques

French

Domaine(s)
  • Dynamitage (Construction)
  • Travail aux explosifs (Exploitation minière)
  • Explosifs et artifices (Industries)
CONT

Mesures d'atténuation. Bien que le projet Midwest se trouve dans une zone sismique stable, les structures et les pentes ont été conçues afin d'assurer une protection contre les événements sismiques. Des techniques de dynamitage contrôlé seront employées pour assurer la stabilité des mines à ciel ouvert et maintenir l'intégrité des parois. Des bermes de sécurité seront construites pour délimiter des plateaux de rétention, afin de retenir des matériaux pouvant tomber dans toutes les fosses actives. Les pentes des fosses actives seront surveillées afin d'en assurer la stabilité aux endroits susceptibles de connaître des glissements de pente ou des ruptures de versant.

OBS

technique de dynamitage contrôlé : désignation habituellement utilisée au pluriel.

Key term(s)
  • techniques de dynamitage contrôlé

Spanish

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