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Interaction of grouted rock bolts and hard rock masses at variable loading in a test drift of the Kiirunavaara mine, Sweden
Luleå tekniska universitet.
1984 (English)In: Rock bolting: theory and application in mining and underground construction ; proceedings of the International Symposium on Rock Bolting, Abisko, 28. August - 2. September 1983 / [ed] Ove Stephansson, Rotterdam: Balkema Publishers, A.A. / Taylor & Francis The Netherlands , 1984, p. 377-395Conference paper, Published paper (Refereed)
Abstract [en]

description is presented on the interaction between a reinforced drift and the surrounding rock. It attempts to explain the support mechanisms and characteristics of cement grouted rock bolts, as used in hard rock mining and underground construction. A 20 m long section of a test drift at the 514 m level in the Kiirunavaara Mine, was instrumented with 20 rock bolts mounted with strain gauges and linked to a data logger, and 50 bolts combined with single-anchor extensometer. Rock movements were measured with 23 borehole extensometers, 45 convergence measurement stations, and precise levelling. 14 stress monitors recorded changes in the tangential stresses in the surrounding rock mass.

Place, publisher, year, edition, pages
Rotterdam: Balkema Publishers, A.A. / Taylor & Francis The Netherlands , 1984. p. 377-395
National Category
Other Civil Engineering
Research subject
Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-34021Local ID: 81e29280-e6b9-11dc-bcb4-000ea68e967bISBN: 90-6191-514-7 (print)OAI: oai:DiVA.org:ltu-34021DiVA, id: diva2:1007270
Conference
International Symposium on Rock Bolting : 28/08/1983 - 02/09/1983
Note
Godkänd; 1984; 20080229 (cira)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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Total: 383 hits
CiteExportLink to record
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  • apa
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