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Deformation analysis in connection with bending and shear failure of a monitored stope in the Kristineberg mine in Sweden
Boliden Mineral AB.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-9766-0106
2014 (English)In: International Journal of Mining and Mineral Engineering, ISSN 1754-890X, E-ISSN 1754-8918, Vol. 5, no 3, p. 181-201, article id 3Article in journal (Refereed) Published
Abstract [en]

This paper presents the evaluation and interpretation of monitored deformations and field observations of a 50-m long stope at the mining depth Z1200 in the Kristineberg mine. The monitoring was conducted by Boliden Mineral AB in 2010 as a part of a research project focused on the rock support-rock mass interaction. Borehole extensometers, total stations and tape extensometers were used to monitor the stope. The objective of the presented work was to assess the deformation modes of the stope, i.e., bending and shearing. The evaluation of the data showed that the field deformation data can be used to identify bending in the HW and shear failure in the FW of the stope. The paper also shows that the deformations in the roof of the stope are influenced by the bending and shear failure. Typical deformation values related to the bending and shear failure are also estimated.

Place, publisher, year, edition, pages
2014. Vol. 5, no 3, p. 181-201, article id 3
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-5436DOI: 10.1504/IJMME.2014.064479Scopus ID: 2-s2.0-84907009819Local ID: 389cdbca-a969-490d-8f46-2f241406be64OAI: oai:DiVA.org:ltu-5436DiVA, id: diva2:978310
Note
Validerad; 2014; 20140918 (erlnor)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Hidalgo, Kelvis PérezNordlund, Erling

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