TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
PRE-SPLITTING [1 record]
Record 1 - internal organization data 2019-08-27
Record 1, English
Record 1, Subject field(s)
- Blasting Work (Mining)
- Blasting (Construction)
Record 1, Main entry term, English
- presplitting
1, record 1, English, presplitting
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- presplit blasting 2, record 1, English, presplit%20blasting
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The intention of presplitting is to attain the same advantages as with smooth blasting. As opposed to smooth blasting, presplitting is used to blast the contour holes before the actual round is fired. Presplitting produces a crack in the rock between the contour holes at which the rock then loosens during the subsequent bench blasting. Because the holes are so closely spaced, crack formation follows the rows of holes and the holes themselves form crack indications. This means that uncharged holes between charged holes can improve the result when so required ... 3, record 1, English, - presplitting
Record 1, Key term(s)
- pre-splitting
- pre-split blasting
Record 1, French
Record 1, Domaine(s)
- Travail aux explosifs (Exploitation minière)
- Dynamitage (Construction)
Record 1, Main entry term, French
- prédécoupage
1, record 1, French, pr%C3%A9d%C3%A9coupage
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- préclivage 2, record 1, French, pr%C3%A9clivage
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Méthode consistant à découper le contour de l'excavation avant l'abattage, en vue d'obtenir un parement précis et régulier [...] 3, record 1, French, - pr%C3%A9d%C3%A9coupage
Record number: 1, Textual support number: 1 OBS
[...] on utilise pour les tirs de mines la technique de prédécoupage : dans la roche on fore verticalement une série de trous de mines. Ceci provoquera une fissure verticale entre le massif de matériau exploité et le terrain qui amortira les ondes de chocs créés par les coups de mines du front de taille. 4, record 1, French, - pr%C3%A9d%C3%A9coupage
Record 1, Spanish
Record 1, Textual support, Spanish
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