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3D finite element analyses of a corner at Aitik tailings dam in Sweden
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-1365-8552
2012 (English)In: SWEMP 2012: International symposium on Environmental Issues and Waste Management in Energy and Mineral Production, 2012, 444-452 p.Conference paper, Published paper (Refereed)
Abstract [en]

The 3D finite element analyses were performed for the gradual raisings of a corner section of Aitik tailings dam, located in the north of Sweden. The purpose of the analyses was to investigate the potential risk of low compressive stresses or tensile stresses in the corner and to evaluate the slope stability of the dam for current and future raisings. The results indicate that the magnitudes of the minor effective principal stresses in the interior of the dam are sufficient to resist the development of soft zones or cracks in the dam and it is interpreted that there is no increased risk of internal erosion. The slope stability analyses show that the dam has enough safety up to a height of 76 m, if the dam is gradually strengthened with rockfill supports on the downstream side.

Place, publisher, year, edition, pages
2012. 444-452 p.
Keyword [en]
tailings dams, corner, cracks, internal erosion, consolidation, slope stability, Civil engineering and architecture - Geoengineering and mining engineering
Keyword [sv]
Samhällsbyggnadsteknik och arkitektur - Geoteknik och gruvteknik
National Category
Geotechnical Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-39617Local ID: e71ec002-9aab-4dd4-8966-215b4a74a781OAI: oai:DiVA.org:ltu-39617DiVA: diva2:1013132
Conference
International Symposium on Environmental Issues and Waste Management in Energy and Mineral Production : 28/11/2012 - 30/11/2012
Note
Godkänd; 2012; 20121217 (muhauc)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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Citation style
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