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Fire exposed light-frame timber walls: A study on the effect of geometrical reduction of a vertically loaded I-section stud
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design. (Byggteknik)
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design. (Byggteknik)ORCID iD: 0000-0002-6410-1017
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design. (Byggteknik)
2009 (English)Report (Other academic)
Abstract [en]

A wooden I-stud as a member of a light-frame timber wall is modelled with reducing flange width to simulate fire exposure. The stud is loaded with a vertical load and the effect of restraints from one gypsum board and the top and bottom rail is considered. Geometry and material values are chosen to correspond to a stud with flanges of solid wood and web of OSB (oriented strand board).

A model with shell and beam elements is implemented in Abaqus. A buckling analysis is performed on a perfectly straight stud and then a geometrically nonlinear analysis is performed on a stud with an initial curvature. Both the buckling analysis and the geometrically nonlinear analysis show that even a large reduction of the flange width results only in moderate changes of the load-carrying capacity of the structure.

In the report diagrams are presented from the geometrically nonlinear analysis where the critical load is easy to read once a failure stress is determined, but an estimate of the the failure stress is not given here.

Place, publisher, year, edition, pages
Växjö: Växjö universitet , 2009. , p. 1
Series
School of Technology and Design, Reports, ISSN 1652-8433 ; 51
National Category
Building Technologies
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:vxu:diva-6113ISBN: 978-91-7636-658-5 (print)OAI: oai:DiVA.org:vxu-6113DiVA, id: diva2:273413
Available from: 2009-10-21 Created: 2009-10-21 Last updated: 2019-10-17Bibliographically approved

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Blyberg, LouiseOlsson, AndersKällsner, Bo

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • 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