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Dynamic blast compaction of some granular materials: small-scale tests and numerical modelling of a mining-related problem
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geoteknologi.ORCID-id: 0000-0002-5165-4229
2010 (engelsk)Inngår i: International Journal of Mining and Mineral Engineering, ISSN 1754-890X, E-ISSN 1754-8918, Vol. 2, nr 2, s. 79-100Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Sub-Level Caving (SLC) is an important mass mining method, involving blasting of ore against granular material in the form of caving debris. The debris compaction due to blasting influences the caving process. Blasting tests were made on cylinders of magnetic mortar placed inside plastic cylinders and confined by packed granular material. By introducing the acoustic impedance between the mortar and the confining granular material, the compaction is found to depend on material, specific charge and physical properties of the debris with statistical analysis. The tests have shown to be a good input for numerical modelling of blast compaction.

sted, utgiver, år, opplag, sider
2010. Vol. 2, nr 2, s. 79-100
Emneord [en]
blasting, compaction, numerical modelling, Civil engineering and architecture - Geoengineering and mining engineering
Emneord [sv]
sprängning, kompaktering, numerisk modellering, Samhällsbyggnadsteknik och arkitektur - Geoteknik och gruvteknik
HSV kategori
Forskningsprogram
Gruv- och Berganläggningsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-5619DOI: 10.1504/IJMME.2010.035311Scopus ID: 2-s2.0-84861306012Lokal ID: 3c57af00-c610-11df-a707-000ea68e967bOAI: oai:DiVA.org:ltu-5619DiVA, id: diva2:978493
Merknad
Validerad; 2010; 20100922 (dan930)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Johansson, DanielVillegas, TomasOuchterlony, Finn

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