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June / July 2009, Volume 4 No. 4
 
"Application know-how". Photograph courtesy of Sandvik
 
June / July 2009
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Features
 
It's time to talk about the relationship

The mining industry can be quite a fickle beast. To its credit, it is certainly tough. For anything to survive and thrive as long as it has, it must be. And it can undoubtedly be tenacious. In what seems like a flash, it can heave itself up and go on a hungry tear, pulling hard at the supply chain, testing the solidity of its links. Then, seemingly as quickly as it set off, it lowers its head and retreats — or seems to.


Parlons de la relation
L’industrie minière peut être assez volage, mais il faut reconnaître qu’elle est vraiment forte pour avoir survécu et prospéré comme elle l’a fait. Elle est aussi tenace, elle peut mettre à rude épreuve la chaîne d’approvisionnement et ses liens.
Uptime

Maintenance can easily consume up to 50 per cent of operational costs in mining. That money is usually split almost 50/50 between labour and materials. Proactive maintenance approaches to managing failures can dramatically reduce these costs and savings of up to 20 per cent (10 per cent of operational costs in total) can be achieved. Such savings come with increased operational availability, improved safety performance and reduced environmental risk from spills and excessive emissions...


* Cet article est disponible en anglais seulement. 
Technical Section
 
Shear strength assessment of a footwall slab using finite element modelling
by N. Bahrani and D. Tannant
Guide de conception pour des sautages confinés à grande échelle de relaxation des contraintes dans des piliers de mines
by P. Andrieux et J. Hadjigeorgiou
Design guide for large-scale confined destress blasts in underground mine pillars
by P. Andrieux and J. Hadjigeorgiou
CMQ Abstracts