MRPN technique for assessment of working risks in underground coal mines |
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| Authors: | S Behraftar S M F Hossaini E Bakhtavar |
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| Institution: | 1.School of Mining Engineering,University of Tehran,Tehran,Iran;2.Department of Mining and Metallurgical Engineering,Urmia University of Technology,Urmia,Iran |
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| Abstract: | Accidents in underground collieries, under geological and geotechnical uncertainties, cause some irrecoverable consequences for workers. Recognizing and studying the effective factors in the occurrence of such accidents have a very crucial impact on improving worker safety and reducing mining costs. This paper introduces a new and beneficial technique named “modified risk priority number (MRPN)” for recognizing and assessing those risks which may cause working accidents in Iranian underground collieries. The available qualitative data from the mines was quantified using standard tables established for risk assessment. The technique was exemplified using data from mine accidents in Kerman and East-Alborz regions. Roof-fall was found to be the most significant risk factor in the mines that were investigated. |
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