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2D modeling of the Kristineberg mine stope
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: 0000-0002-9766-0106
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0001-8001-9745
2012 (English)Conference paper, Oral presentation only (Refereed)
Abstract [en]

Mining operations at the Kristineberg Mine approaches depths of more than 1300 m. Severe ground conditions are consequently expected due to the combination of weak rock formations and relatively high in-situ stresses. The required support techniques, however, are not unique and depend on the ground deformation characteristics. On the other hand, the complex geology of the mining zone induces different types and magnitudes of failures. As a result, to improve the support performance, the possible ground conditions which may arise from varieties of geological parameters at the mine need to be characterized. Among different geological parameters at the mine, the location of the rock formations is seen to be an important factor, influencing the deformation behavior of the rock mass. The aim of this study is to increase the understanding of how the rock mass behavior changes due to the location of the rock formations. The study is performed through numerical modeling of an unsupported stope using FLAC2D; the required input data are determined based on the field observations and the corresponding literatures. Then, the modeled deformation behavior of the stope is studied through “Parameter Analysis”. The results, which show the sensitivity of the ground deformation to the location of the surrounding rock formations, can be used in future support design analysis.

Place, publisher, year, edition, pages
2012.
National Category
Other Civil Engineering
Research subject
Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-35370Local ID: 9e2583b7-2b5b-4690-b140-b67206eaeca5OAI: oai:DiVA.org:ltu-35370DiVA, id: diva2:1008623
Conference
Eurock 2012 : Rock Engineering and Technology for Sustainable Underground Construction 25/05/2012 - 27/05/2012
Note
Godkänd; 2012; 20120608 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-04-16Bibliographically approved

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Elhami, EhsanNordlund, ErlingSaiang, David

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