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Resistance of poligonal thin walled column eccentrically loaded
2003 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The progress of structural engineering in the recent years indisputably tends toward the use of lighter structural elements. Improved techniques in a manufacturing of thin walled elements and in corrosion protection have led to increased competitiveness of such products in the building applications. One example of such structural element is a column, developed at Plannja AB, Luleå, for use in industrial buildings. The column has a polygonal cross section with a rather thin “cover plate”. Objective of this work is to study the “Plannja column” in design situations and to investigate possible design models. The structural behaviour of the column is a mixture between the open and closed cross-section, which has been studied using analytical and numerical methods. FEM and FSM were used for buckling analysis performed in order to assume initial imperfection for the non-linear analysis. Two well-controlled experiments were performed which were used to validate non-liner FEA done by ABAQUS and good agreement was obtained. Finally, design recommendations were drawn based on a comparison between Eurocode 3 and parametric non-linear FE study.

Place, publisher, year, edition, pages
2003.
Keywords [en]
Technology, Thin walled column, FSM, FEM, design, Eurocode 3, Industrial, building
Keywords [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-46610ISRN: LTU-EX--03/273--SELocal ID: 43aaf4f3-ef80-4256-a0d9-0225c03a71e7OAI: oai:DiVA.org:ltu-46610DiVA, id: diva2:1019925
Subject / course
Student thesis, at least 30 credits
Educational program
Civil Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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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
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