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Evaluation of three dimensional fibre orientation in Norway spruce using a laboratory laser scanner
Linnaeus University, Faculty of Technology, Department of Building Technology. (Träbyggnadsteknik)ORCID iD: 0000-0003-4518-570X
Linnaeus University, Faculty of Technology, Department of Building Technology. (Träbyggnadsteknik)
Linnaeus University, Faculty of Technology, Department of Building Technology. Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Träbyggnadsteknik)
Linnaeus University, Faculty of Technology, Department of Building Technology.ORCID iD: 0000-0002-8513-0394
2016 (English)In: WCTE 2016: World Conference on Timber Engineering, Vienna University of Technology , 2016Conference paper, Published paper (Refereed)
Abstract [en]

This paper addresses laser scanning and utilization of the tracheid effect for determination of local fibre orientation, which is decisive for strength and stiffness of timber. A newly developed laboratory laser scanner that can be used for high resolution and high precision scanning of wood surfaces is used for in-depth assessment of a single Norway spruce specimen that contains a knot. It is assumed that the specimen has a plane of symmetry, through the knot, and by splitting the specimen in two parts it is possible to determine fibre orientation on orthogonal planes. Hence, by relying on the assumption of symmetry, the fibre orientation in 3D space can also be determined. The results are used to evaluate the possibility of utilizing the tracheid effect for determination of the out-of-plane fibre angle of an investigated surface. Furthermore, the results are used for verification of a theoretical fibre orientation model that has often been used by researchers.

Place, publisher, year, edition, pages
Vienna University of Technology , 2016.
Keywords [en]
Fibre orientation, knots, laser scanning, Norway spruce, tracheid effect
National Category
Other Civil Engineering
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-74996ISBN: 9783903039001 (print)OAI: oai:DiVA.org:lnu-74996DiVA, id: diva2:1213370
Conference
World Conference on Timber Engineering (WCTE), Vienna, August 22-25, 2016
Available from: 2018-06-04 Created: 2018-06-04 Last updated: 2018-06-14Bibliographically approved

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Briggert, AndreasHu, MinOlsson, AndersOscarsson, Jan

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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