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Stiffness, strength and shape stability grading analysis of sawn timber based on experimentally found growth characteristics
Lund University, Sweden.
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.ORCID iD: 0000-0001-5591-1045
2000 (English)In: World Conference on Timber Engineering, 2000Conference paper, Published paper (Refereed)
Abstract [en]

Stiffness, strength and shape stability analysis of sawn timber should be based on how the material properties vary in the stem due to different growth conditions. As part of an EU study, results from investigations of the modulus of elasticity, shrinkage coefficient and spiral grain angle of spruce are presented. The variation in properties with the position in the stem has been investigated. The specimens were sawn from 274 stems in 29 stands in five countries of the European Union. A total of about 7000 small specimens were tested. Results from the modelling of stiffness and moisture-induced deformations of battens are presented. The simulations were based on material data obtained from measurements performed on specimens sawn from the same logs as the battens. The simulation results are compared with experimental results and are of interest for the development of new grading procedures for sawn timber.

Place, publisher, year, edition, pages
2000.
National Category
Engineering and Technology Wood Science
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-41235OAI: oai:DiVA.org:lnu-41235DiVA: diva2:801650
Conference
World Conference on Timber Engineering, Whistler, Canada, July 31-August 3, 2000
Available from: 2015-04-09 Created: 2015-03-22 Last updated: 2016-05-03Bibliographically approved

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Ormarsson, Sigurdur
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Total: 85 hits
CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf