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A method for determining parameters for a steel plasticity model using biaxial testing
Luleå tekniska universitet.
Luleå tekniska universitet.
1998 (English)In: Proceedings / Nordic Steel Construction Conference 98: Bergen, Norway, September 14th - 16th, 1998 ; new materials, new codes, new applications, Oslo: Norwegian Steel Association , 1998, p. 763-773Conference paper, Published paper (Refereed)
Abstract [en]

This paper proposes three different test programs, with varying degrees of experimental effort, for the determination of model parameters for a steel plasticity model proposed by Granlund(1997). The proposed programs are based on the experiences from the extensive biaxial testing that has been performed by the authors. The biaxial testing comprised five steel grades. Two structural, Granlund(1997), and three stainless steel grades, Olsson(1998). The biaxial testing has been performed utilizing a unique testing equipment, developed at the Division of Steel Structures, Lulea University of Technology, that allows for testing in the full principal stress plane sigma sub 1 - sigma sub 2 , i.e. also in compression. The use of the plasticity model is most advantageous in cases where stress reversals can occur, such as for instance in buckling problems, but it can also be beneficial in simpler cases including e.g. residual stresses caused by welding. The model does compared to a simple plasticity model utilizing isotropic hardening only require three additional parameters and thus it has the potential of being practically used. Materials: S275, Domex 690, 304 and 2205 steel

Place, publisher, year, edition, pages
Oslo: Norwegian Steel Association , 1998. p. 763-773
National Category
Building Technologies
Research subject
Steel Structures
Identifiers
URN: urn:nbn:se:ltu:diva-27090Local ID: 068a7ea0-3631-11dd-8242-000ea68e967bISBN: 82-91466-02-5 (print)OAI: oai:DiVA.org:ltu-27090DiVA, id: diva2:1000271
Conference
Nordic Steel Construction Conference : 14/09/1998 - 16/09/1998
Note
Godkänd; 1998; 20080609 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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