Opportunities for cost savings in the mining industry

Mots clés : Electrical energy;Energy efficiency
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Publication: CIM Bulletin
Auteur(s): David Forrester
Numéro: 1000
Volume: 89
Année: 1996
Texte
Publication: CIM Bulletin
Auteur(s): H.R. Stoger
Mots clés: Transportation, Ocean carriers.
Numéro: 1000
Volume: 89
Année: 1996
Texte
Publication: CIM Bulletin
Auteur(s): David J. Forrester
Mots clés: Cape Breton Coal Research Laboratory, Research and development, Underground mining.
Numéro: 1000
Volume: 89
Année: 1996
Texte
Publication: CIM Bulletin
Auteur(s): Larry A. Morris
Mots clés: Environmental issues, Product stewardship.
Numéro: 1000
Volume: 89
Année: 1996
Texte
Publication: CIM Bulletin
Auteur(s): Larry A. Morris
Mots clés: Environmental issues, Product stewardship.
Numéro: 1000
Volume: 89
Année: 1996
Texte
Publication: CIM Bulletin
Auteur(s): André Piché
Numéro: 1000
Volume: 89
Année: 1996
Texte
Sommaire: In early 1987, the Patience Lake potash mine near Saskatoon, Saskatchewan, was closed due to uncontrollable flooding. Water inflows were first encountered during routine mining in 1975 at the south boundary of the mine lease. Underground grouting and construction of bulkheads limited the flow but did not completely stop it. Subsequent seismic surveys showed that the mine had approached the edge of a large collapse structure in which the salt and potash had been partly dissolved and removed by...
Publication: CIM Bulletin
Auteur(s): D. Gendzwill, N. Martin
Mots clés: Flooding, Groundwater control, Patience Lake mine, Potash mining, Salt collapse
structures, Underground mining,.
Numéro: 1000
Volume: 89
Année: 1996
Texte
Sommaire: Increasing mine depth and panel length combined with faster longwall retreat rates necessitated a change from the passive support of steel sets to roofbolts at the Phalen Colliery in the Sydney Coalfield. Development drivage rates achieved with roadheaders installing steel sets would not support the retreat rates of the longwall panels. Also, front abutment pressures from the longwall retreat were seriously deforming the steel sets. In 1991, full column resin grouted roofbolts were introduced...
Publication: CIM Bulletin
Auteur(s): John Baldwin
Mots clés: Equipment, Continuous miners, Mine bolters
Numéro: 1000
Volume: 89
Année: 1996
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