Blast movement measurement to control dilution in surface mines

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Mots clés : Ore dilution;Blast movement;GPS (Global Positioning System);Field magnetics
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Texte
Sommaire: This paper focuses on a number of interesting results to establish the theory and principle of air-deck blasting. It also gives the mechanism of breakage that takes place in air-deck blasting under varying charge load conditions. With these aspects in mind, the mine management can implement this up-coming technology to enhance safety and higher productivity.
Publication: CIM Bulletin
Auteur(s): P. Pal Roy, R.B. Singh
Mots clés: Air-decking, Presplit blasting, VOD (velocity of detonation), Material decking.
Numéro: 1047
Volume: 94
Année: 2001
Texte
Sommaire: Transmission of vibration to the operator from percussive vibrating tools is increasingly of concern in industrial and mining applications. Prolonged exposure to high levels of vibration transmitted via the hand causes disorders known as hand-arm vibration syndrome (HAVS). The vascular component of HAVS is called vibration white finger (VWF) and has a debilitating effect on the hand. Vibration at frequencies below 1250 Hz, a tight hand-grip force and cold environments are reported to increase...
Publication: CIM Bulletin
Auteur(s): K. Prajapati
Mots clés: Vibration, Hand-arm vibration syndrome (HAVS), Vibration white finger (VWF), Vibrating tools.
Numéro: 1047
Volume: 94
Année: 2001
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