Application of large-diameter boreholes in underground mines

CIM Bulletin, Vol. 77, No. 861, 1984

ROGER LAFRANCE, C-I-L Inc. Technical Services

This paper discusses various aspects affected by the use of large-diameter boreholes in underground mines. Topics covered consist of noxious fumes, vibrations, post-blast effects, various types of explosives, the cordine system in production blasts, the slider primer system and wall-control methods. In general, the paper is an overview of this important fact of underground mining.
Mots Clés: Underground mining, Boreholes, Blasting explosives, Wall control, Blast-loading techniques