Production Blast-Induced Vibrations in Longhole Open Stoping: A Case Study

John Henning and Hani Mitri
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John Henning: Goldcorp Inc., Canada
Hani Mitri: McGill University, Canada

International Journal of Geotechnical Earthquake Engineering (IJGEE), 2010, vol. 1, issue 2, 1-11

Abstract: This paper examines stope design approaches employed at a metal mining operation in Canada for extraction of transverse primary, transverse secondary, and longitudinal stopes. Variations in stope and slot design, blast design, and blast vibration attenuation are presented in detail. It is shown that the type of blasthole stoping technique employed varies according to stope sequence and ore zone width. Within this range of stopes, blasting design practices have been standardized in terms of drillhole diameter, powder factor, and the type and pattern of the explosives used.

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:igg:jgee00:v:1:y:2010:i:2:p:1-11

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