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Kuznetsov model's efficiency in estimation of mean fragment size at the Sungun Copper Mine
Faculty of Mining Engineering, Sahand University of Technology, Tabriz.
Faculty of Mining Engineering, Sahand University of Technology, Tabriz.
Faculty of Mining Engineering, Geophysics and Petroleum, Shahrood University of Technology.
Department of Civil and Environmental Engineering, University of Alberta, Edmonton.
2010 (engelsk)Inngår i: Rock fragmentation by blasting: proceedings of the 9th International Symposium on Rock Fragmentation by Blasting - Fragblast 9, September 2009, Granada, Spain / [ed] Jose A Sanchidrián, Boca Raton, Fla: CRC Press, 2010, s. 265-269Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Kuznetsov's Model is a commonly used equation for estimation of mean fragment size. This model is a function of three factors; rock mass properties, blast geometry and type of explosive. To evaluate the Kuznetsov model, ten blast sites were studied in the Sungun Copper Mine, Iran. The same explosive, ANFO, was used for all blast and the blasthole geometry was the same in all cases. The Kuznetsov model underestimates the measured mean fragment size in all cases. Since the blast geometry and the explosive were the same for all blasts, it can be concluded that the differences arise from an incomplete description of rock mass properties inherent in the rock factor in the Kuznetsov model. Modifying the multiplier 0.073 instead of the usual 0.06 resolves the problem

sted, utgiver, år, opplag, sider
Boca Raton, Fla: CRC Press, 2010. s. 265-269
HSV kategori
Forskningsprogram
Drift och underhållsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-39178Lokal ID: dd210bdf-c334-4887-9262-87cfbf21234fISBN: 9780415482967 (tryckt)OAI: oai:DiVA.org:ltu-39178DiVA, id: diva2:1012687
Konferanse
International Symposium on Rock Fragmentation by Blasting : 13/09/2009 - 17/09/2009
Merknad
Upprättat; 2010; 20160830 (andbra)Tilgjengelig fra: 2016-10-03 Laget: 2016-10-03 Sist oppdatert: 2017-11-25bibliografisk kontrollert

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Totalt: 103 treff
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