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Reliability analysis of drilling operation in open pit mines
Faculty of Mining Engineering, Sahand University of Technology, Tabriz , Faculty of Mining, Petroleum and Geophysics, Shahrood University of Technolog.
Shahrood University of Technology, Faculty of Mining, Petroleum & Geophysics, Shahrood University of Technology, Faculty of Mining, Petroleum and Geophysics, Shahrood University of Technolog.
Faculty of Mining, Petroleum and Geophysics, Shahrood University of Technolog.
Department of Mining Engineering, Hamedan University of Technology.
2013 (English)In: Archives of Mining Sciences, ISSN 0860-7001, E-ISSN 1689-0469, Vol. 58, no 2, p. 569-578Article in journal (Refereed) Published
Abstract [en]

Considering the high investment and operation costs, reliability analysis of mining machineries is essential to achieve a lean operation and to prevent the unwanted stoppages. In open pit mining, drilling, as the initial stage of the exploitation operations, has a significant role in the other stages. Failure of drilling machines causes total delay in blasting operation. In this paper, the reliability of drilling operation has been analyzed using the Markov method. The failure and operation data of four heavy rotary drilling machines in Sarcheshme copper mine in Iran have been used as a case study. Failure rate and repair rate of all machines have been calculated using available data. Then, 16 possible operation states have been defined and the probability of being of drilling fleet in each of the states was calculated using Markov theory. The results showed that there was 77.2% probability that all machines in fleet were in operational condition. It means that, considering 360 working days per year, drilling operation will be in a reliable condition in 277.92 days.

Place, publisher, year, edition, pages
2013. Vol. 58, no 2, p. 569-578
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-13379DOI: 10.2478/amsc-2013-0039Local ID: c990deef-4c30-4d97-a82e-8f54b990d7fbOAI: oai:DiVA.org:ltu-13379DiVA, id: diva2:986332
Note
Upprättat; 2013; 20160701 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Hoseinie, Hadi

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