Attenuation measurements of ear muffs at Falconbridge Limited, Canadian Nickel Division, Sudbury Operations, 1984

Cette publication n'est pas offerte dans votre langue; certains de ses renseignements ont été préremplis pour la version française.
Mots clés : Mine safety;Attenuation;Ear muffs;Noise;Clamping force;Head size
Accés complet à Document technique
Version PDF pour 20,00 $
Recherche
Trier par :  Pertinence
Affichage des résultats 1 - 4
Texte
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: Mine hoist brakes must meet the following statutory performance criteria:

There should be two independent braking systems; at least one should act directly on the hoist drum.
If one brake fails, the others should be able to retard and stop the hoist safely before the descending conveyance, carrying the rated load, reaches any obstruction.
When all brakes apply,  decelerations should not be so violent that men travelling in the conveyance are injured.
The brakes shall...
Publication: CIM Bulletin
Auteur(s): L.C. GALLOWAY, G.L. TILEY
Mots clés: Mine hoists, Braking systems, Thermal capacity, Testing, Mine safety, Emergency.
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
Activé par Coveo Enterprise Search