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In-situ measurements of cutter forces on boring machine at Äspö Hard Rock Laboratory. Part 2: Characteristics of cutter forces and examination of cracks generated
Luleå University of Technology.
Luleå University of Technology.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
2003 (English)In: Rock Mechanics and Rock Engineering, ISSN 0723-2632, E-ISSN 1434-453X, Vol. 36, no 1, p. 63-83Article in journal (Refereed) Published
Abstract [en]

By means of spectral analysis, the measured normal forces, tangential forces, and side forces acting on two button cutters on the boring machine in Äspö Hard Rock Laboratory were analysed and the basic characteristics of the cutter forces were determined. After the measurements of the cutter forces, some rock core samples were taken from the bottom and the wall of the test borehole. These samples were cut, polished, and examined by means of a Scanning Electron Microscope (SEM). The lengths of the major cracks in the rock samples were measured, and a relation between the length of the median cracks and the relevant cutter forces was investigated.

Place, publisher, year, edition, pages
2003. Vol. 36, no 1, p. 63-83
National Category
Other Civil Engineering
Research subject
Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-9750DOI: 10.1007/s00603-002-0037-xISI: 000180474800004Scopus ID: 2-s2.0-0037255506Local ID: 86b817a0-c0ca-11db-834c-000ea68e967bOAI: oai:DiVA.org:ltu-9750DiVA, id: diva2:982688
Note
Validerad; 2003; 20070220 (pafi)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Lindqvist, Per-Arne

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