The Government of Canada’s terminology and linguistic data bank.


Record 1 1992-12-01


Subject field(s)
  • Extraction Procedures - Various (Mining)
  • Excavation (Construction)

There are several methods of attacking the faces of tunnels driven through rock. The method selected will depend on the size of the bore, the equipment available, the condition of the formation, and the extent to which timbering is required. The more common methods of attack are: full face, hearing and bench, drift, pilot tunnel.


  • Procédés d'extraction divers (Exploit. minière)
  • Fouilles (Construction)

Le choix d'une méthode d'exécution qui offre le maximum de garanties de mener le chantier à bonne fin et le plus économiquement possible ne peut résulter que d'une étude d'organisation systématique de toutes les phases de réalisation.


Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Works and Government Services Canada, 2021
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau


Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: