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Constrained displacement boundary condition in embedment testing of dowel-type fasteners in LVL
Vienna University of Technology, Austria.
Linnaeus University, Faculty of Technology, Department of Building Technology.ORCID iD: 0000-0002-7829-4630
Linnaeus University, Faculty of Technology, Department of Building Technology.
Vienna University of Technology, Austria.
2017 (English)In: Strain, ISSN 0039-2103, E-ISSN 1475-1305Article in journal (Refereed) Epub ahead of print
Abstract [en]

The influence of the loading orientation with respect to the grain direction of wood and the influence of the lateral dowel displacement boundary condition on the embedment behaviour of steel dowels in laminated veneer lumber (with parallel-laminated veneers) are investigated in this study. For limit states of the lateral boundary condition, the load-displacement behaviour was experimentally studied by means of full-hole embedment tests on screw-reinforced laminated veneer lumber, for two dowel diameters and up to large dowel displacements. A novel biaxial test set-up is proposed for embedment tests with constrained lateral dowel displacement boundary condition, in order to quantify laterally evoked reaction forces. Corresponding forces were found to change orientation with increasing dowel displacement and amounted to about 20% and 40% of the vertical reaction force for dowel displacements of 5‚ÄČmm and twice the dowel diameter, respectively. The influence of the lateral displacement boundary condition was highlighted by comparison of the test data with a previously established data set for unconstrained embedment testing. Constrained loading showed a stiffer response and higher nominal embedment stresses, as well as a more pronounced displacement hardening, compared to unconstrained loading.

Place, publisher, year, edition, pages
John Wiley & Sons, 2017.
National Category
Building Technologies Wood Science
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-68122DOI: 10.1111/str.12238OAI: oai:DiVA.org:lnu-68122DiVA: diva2:1145386
Available from: 2017-09-28 Created: 2017-09-28 Last updated: 2017-10-16

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Bader, Thomas K.Vessby, Johan
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CiteExportLink to record
Permanent link

Direct link
Cite
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
  • rtf