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The use of numerical modelling in alert level set-up for instrumentation in tailings dams
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
2015 (English)Conference paper, Oral presentation only (Refereed)
Abstract [en]

In dam safety operations for tailings dams, instrumentation has a major role. High pore-water pressure or large deformations can both be observed with good monitoring programs, and are covered in many dam safety guidelines. A key aspect when evaluating field data is the way to compare values with expected dam behavior (including a certain safety margin). This is needed in order to determine the safety of a dam, but there is lack of methods for this in the dam industry. With the use of finite element modeling, the behavior and stability of tailings dams can be simulated. Simulated behavior can be used in dam safety operations, where field data is compared with numerical results. In this paper, a case study is presented where a method for instrumentation alarm-level set-up is proposed.

Place, publisher, year, edition, pages
2015.
Keyword [en]
tailings dam, safety of dams, finite element method, pore pressure, deformation measurement, 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-34109Local ID: 837e03f7-1262-4d9f-9ff2-3341ec10b705OAI: oai:DiVA.org:ltu-34109DiVA: diva2:1007359
Conference
ICOLD Congress 2015 : International Commission on Large Dams 15/06/2015 - 16/07/2015
Note
Godkänd; 2015; 20150705 (svek)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Knutsson, RogerViklander, PeterKnutsson, Sven
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CiteExportLink to record
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