Resin-grouted cable supports for coal mine ground control

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Mots clés : Coal Mining;Ground support;Rock mechanics
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Texte
Sommaire: In light of the recurring spills and failures of conventional tailings disposal pond dams, a brief review of the Thickened Tailings Disposal (TTD) system is presented. It is shown that by the process of thickening the tailings to a heavy slurry prior to disposal, it is possible to create a self-supporting deposit of tailings and to eliminate the typical superimposed settling pond. These features, together with the ability to reclaim the disposal area even as mining continues, preclude an...
Publication: CIM Bulletin
Auteur(s): E.I. Robinsky
Mots clés: Environment, Dam failures, Tailings spills, Thickened tailings disposal.
Numéro: 1028
Volume: 92
Année: 1999
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
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