TERMIUM Plus®

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

TOIT INFERIEUR [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-02-26

English

Subject field(s)
  • Underground Mining
DEF

Lowest layer or layers of rock immediately above an underground opening.

CONT

There are two broad types of roof as far as support is concerned, the immediate roof above the coal and the main roof. Artificial support for mining purposes is only concerned with the immediate roof as nothing except large blocks of solid coal, or massive concrete, will support the main roof. The immediate roof is generally a few feet thick but can vary from inches to 20 ft or more.

French

Domaine(s)
  • Exploitation minière souterraine
CONT

Les piliers abandonnés jouent un double rôle : soutènement et contrôle du toit. Ils doivent tout d'abord protéger pendant la phase de dépilage contre l'éboulement du toit immédiat, c'est-à-dire des terrains qui se trouvent immédiatement au-dessus du chantier.

Key term(s)
  • bas-toit

Spanish

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© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

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