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2D modeling of the Kristineberg mine stope
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geoteknologi.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geoteknologi.ORCID-id: 0000-0002-9766-0106
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geoteknologi.ORCID-id: 0000-0001-8001-9745
2012 (engelsk)Konferansepaper, Oral presentation only (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
2012.
HSV kategori
Forskningsprogram
Gruv- och Berganläggningsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-35370Lokal ID: 9e2583b7-2b5b-4690-b140-b67206eaeca5OAI: oai:DiVA.org:ltu-35370DiVA, id: diva2:1008623
Konferanse
Eurock 2012 : Rock Engineering and Technology for Sustainable Underground Construction 25/05/2012 - 27/05/2012
Merknad
Godkänd; 2012; 20120608 (ysko)Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2018-04-16bibliografisk kontrollert

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Elhami, EhsanNordlund, ErlingSaiang, David

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