Tailings dam failures need not be disasters - The Thickened Tailings Disposal (TTD) system

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Mots clés : Environment;Dam failures;Tailings spills
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Texte
Sommaire: Open pit mine management must ensure that sufficient trucks are available and are being used effectively for production, and that operating costs are under continued control and review for improvements. This paper describes methods for estimating truck fleet requirements which have been used effectively at large- and medium-sized open pit mining operations. Applied to commonly available data, multiple regression analyses can indicate when mine plans should be revised toward optimizing the...
Publication: CIM Bulletin
Auteur(s): G.H. Blackwell
Mots clés: Open pit mining, Equipment, Truck fleets, Mine management, Operating costs, Production costs.
Numéro: 1028
Volume: 92
Année: 1999
Texte
Sommaire: Cable supports offer several advantages over traditional secondary support methods by enhancing stress redistribution to pillars and gob areas, minimizing or eliminating timbers and cribs that reduce ventilation, eradicating material-handling injuries related to placement of crib supports, and providing a cost-effective alternative to secondary support. The U.S. Bureau of Mines (USBM), researching alternatives to traditional roof support methods, designed and installed high-strength cable...
Publication: CIM Bulletin
Auteur(s): S.C. Tadolini, J.L. Gallagher
Mots clés: Coal mining, Ground support, Rock mechanics, Underground mining.
Numéro: 1028
Volume: 92
Année: 1999
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