Mine hoist braking systems

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Mots clés : Mine hoists;Braking systems;Thermal capacity;Testing;Mine safety
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Publication: CIM Bulletin
Auteur(s): PAUL DUFOUR, MICHAEL PARLEY
Mots clés: Human resources, Partnerships, Technology development, Universities Education, Research.
Numéro: 894
Volume: 79
Année: 1986
Texte
Sommaire: An analysis of the number of industrial injuries shows that the mining sector is particularly affected, since mining is one of the most dangerous industrial activities in Canada. This has led to numerous inquiries, and supports the need for an in-depth study aiming at the identification of factors responsible for these accidents. One possible factor often pointed at is the small crews incentives and this paper presents a scientific approach applied to check a potential link between bonus and...
Publication: CIM Bulletin
Auteur(s): JEAN-LUC CHOUINARD, NOEL BILLETTE
Mots clés: Safety, Human resources, Bonus, Accidents, Severity rate, Mining industry
Numéro: 894
Volume: 79
Année: 1986
Texte
Sommaire: Radon emanation rates, J, and compositions of materials from the Canadian Certified Reference Materials Project (CCRMP) indicate that the fraction of the Rn produced that escapes, E, is usually 1% to 8% and the 23SU decay chain is nearly in secular equilibrium. For some Chinese ore standards, E values are higher than for the CCRMP materials. Standard ore tailings have 21°Pb concentrations higher than expected from their 226Ra concentrations and Rn escape rates (12 - 34%). Biological...
Publication: CIM Bulletin
Auteur(s): R.H. McCORKELL
Numéro: 894
Volume: 79
Année: 1986
Texte
Sommaire: At the Falconbridge Limited, Canadian Nickel Division, Sudbury Operations, we investigated the "NO NOISE" ear muffs model NN3-F which is a Swedish product with foam-filled sealing rings (the Hellberg Standard Volume Hearing Protector). It is used extensively at Falconbridge mines in Sudbury.
The research which was carried out in the four Falconbridge mines was conducted under three different headings: manufacturer's attenuation data (psychophysical method), clamping force and head...
Publication: CIM Bulletin
Auteur(s): M.U.SAVICH
Mots clés: Mine safety, Attenuation, Ear muffs, Noise, Clamping force, Head size, Falconbridge Limited.
Numéro: 894
Volume: 79
Année: 1986
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