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Fragmentation characterization: the Swebrec function and its use in blast engineering
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
2009 (English)In: Rock Fragmentation by Blasting: Proceedings of the 9th Int. Symp. on Rock Fragmentation by Blasting - Fragblast 9, Sept. 2009, Granada Spain / [ed] Jose A. Sanchidrián Blanco, Boca Raton, Fla.: CRC Press, 2009, p. 3-22Conference paper, Published paper (Refereed)
Abstract [en]

This work summarizes recent research at Swebrec and SveBeFo. It has led to a new fragment size distribution with an unexpected ability to reproduce sieving curves of all kinds of rock and concrete/mortar that have been blasted or crushed in almost every conceivable way. The three-parameter Swebrec function is described but its parameters are not independent. Examples of curve fits are given as is some advice about the fitting procedure. Its relations to other comminution concepts such as t 10 from JKMRC are explored. How to use the Swebrec function for full-scale blasts is described, especially for large blasts where the available information is very limited. The final section treats design curves, which can predict the changes in fragmentation that are caused by changes in specific charge and other geometrical parameters of a bench blast. Evidence to the effect of confining debris at the free face is finally presented

Place, publisher, year, edition, pages
Boca Raton, Fla.: CRC Press, 2009. p. 3-22
Keyword [en]
Civil engineering and architecture - Geoengineering and mining engineering
Keyword [sv]
Samhällsbyggnadsteknik och arkitektur - Geoteknik och gruvteknik
National Category
Other Civil Engineering
Research subject
Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-29711Local ID: 342d5800-ab6f-11de-8293-000ea68e967bISBN: 978-0-415-48296-7 (print)OAI: oai:DiVA.org:ltu-29711DiVA, id: diva2:1002936
Conference
International Symposium on Rock Fragmentation by Blasting : 13/09/2009 - 17/09/2009
Note
Godkänd; 2009; Bibliografisk uppgift: Keynote; 20090927 (finn)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Total: 131 hits
CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NB
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  • Other locale
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Output format
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