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Investigation of surface subsidence due to sublevel caving
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-9766-0106
2010 (English)In: Caving 2010: Second International Seminar on Block and Sublevel Caving / [ed] Yves Potvin, Nedlands, W.A: Australian Centre for Geomechanics, 2010, p. 181-188Conference paper, Published paper (Refereed)
Abstract [en]

Mining with a sublevel caving induces the progressive failure of the hangingwall and in minor proportion the failure of the footwall. Surface subsidence is a consequence of the large deformation experienced by the rock mass. Monitoring displacement and fracture mapping are normally carried out in a regular basis especially when the mine is surrounded by civil and mining infrastructure. Since 1967, at Kiirunavaara mine, subsidence monitoring information has been obtained and used to calibrate predictive models. In this paper the monitoring data collected in Kiirunavaara mine is presented as time-displacement curves to analyse the pathway of the hangingwall and to predict displacements in short term. The results influenced by the quality of the rock mass, structural geology and stress conditions, shows different time-displacement behaviour along the hangingwall.

Place, publisher, year, edition, pages
Nedlands, W.A: Australian Centre for Geomechanics, 2010. p. 181-188
Keywords [en]
Civil engineering and architecture - Geoengineering and mining engineering
Keywords [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-35881Local ID: a97d3150-a931-11df-a707-000ea68e967bISBN: 978-0-9806154-1-8 (print)OAI: oai:DiVA.org:ltu-35881DiVA, id: diva2:1009135
Conference
International Seminar on Block and Sublevel Caving : 20/04/2010 - 22/04/2010
Note
Godkänd; 2009; 20100816 (tomvil)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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More languages
Output format
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