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Resistance of Members to Flexural Buckling According to Eurocode 3: - Focus on Imperfections 
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering.
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering.
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering.
2015 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This work focuses mainly on the resistance of members to flexural buckling

according to Eurocode 3. The work provides the mathematical backgrounds to the

equations and buckling curves presented in Eurocode 3. The work also, attempts to

reveal how different imperfections influence the flexural buckling resistance which is

demonstrated through Finite Element (FE) simulations.

The work presents modeling and analysis on a steel column in ABAQUS 6.14.

Linear and non-linear buckling analyses of the steel column, with the influence of

imperfections, are implemented in this work. Specifically, the imperfections

considered in this study are material plasticity, initial bow and residual stress.

The influence of initial bow imperfection of 0.1% of the length of the column

considering flexural buckling was found to be 45.28% of the Euler buckling load.

The influence of residual stresses, with a magnitude of maximum about 13% in the

flange and 35% in the web, of the yielding strength, on flexural buckling is about

31.9% of the design Euler buckling load. The combined effect of residual stress and

initial bow imperfection on flexural buckling is about 45.34% of the design Euler

buckling load.

Place, publisher, year, edition, pages
2015. , p. 51
Keyword [en]
buckling curves, buckling resistance, Eigen-value, Eurocode 3, flexural
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-46636OAI: oai:DiVA.org:lnu-46636DiVA: diva2:859155
External cooperation
Alstom
Subject / course
Mechanical Engineering
Educational program
Mechanical Engineering, Master Programme, 60 credits
Supervisors
Examiners
Available from: 2015-10-06 Created: 2015-10-06 Last updated: 2015-10-06Bibliographically approved

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CiteExportLink to record
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