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Finite Element Simulation of Mechanical and Moisture-Related Stresses in Laterally Loaded Multi-Dowel Timber Connections
2010 (English)In: WCTE - World Conference on Timber Engineering 2010, Riva del Garda: Trees and Timber Institute , 2010Conference paper, Published paper (Refereed)
Abstract [en]

Numerical simulations of stress distribution within a moment stiff timber frame corner have been performed. The frame corner is a multi-dowel connection with two slotted-in steel plates. The interaction between the fasteners and the wood material is modelled as a full contact interaction based on penalty formulation. The wood material is assumed to be an orthotropic material in reference to elastic and shrinkage behaviours. Both mechanical loading (from snow and wind) and moisture loading have been studied. Model adaptivity was used to reduce the computer time and to find suitable coupling conditions between beam and solid elements. The simulation results have been compared with typical hand calculations. The conclusion is that the hand calculations diverge quite a lot from the simulation results and relatively small moisture changes can cause significant stresses in areas adjoining the fasteners.

Place, publisher, year, edition, pages
Riva del Garda: Trees and Timber Institute , 2010.
Keywords [en]
Wood, simulations, moisture, multi-dowels connection, slotted-in steel plates
National Category
Engineering and Technology Wood Science
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-41202OAI: oai:DiVA.org:lnu-41202DiVA, id: diva2:797547
Conference
11th World Conference on Timber Engineering
Available from: 2015-03-24 Created: 2015-03-22 Last updated: 2016-05-03Bibliographically approved

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Ormarsson, Sigurdur

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
  • modern-language-association-8th-edition
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  • nn-NB
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  • Other locale
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  • text
  • asciidoc
  • rtf