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Design of the cross‐section of a steel composite bridge taking into account the buckling check according to EN 1993‐1‐5.

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Title: Design of the cross‐section of a steel composite bridge taking into account the buckling check according to EN 1993‐1‐5.
Authors: Ndogmo, Joseph1 (AUTHOR) ndogmo@tum.de, Mensinger, Martin1 (AUTHOR)
Source: CE/Papers. Sep2024, Vol. 7 Issue 3/4, p62-67. 6p.
Subjects: Shear (Mechanics), Stress concentration, Finite element method, Elastic plates & shells, Stiffners
Abstract: As part of optimizing a steel composite section to determine whether longitudinal stiffeners could be omitted concerning plate buckling, a buckling tool was developed that implements both the effective width method (EWM) and the reduced stress method (RSM). These two methods are offered in addition to the finite element method in EN 1993‐1‐5 for buckling analysis. It was found that when using the formula given in EN‐1993‐1‐5 for calculating the critical buckling stress of unstiffened buckling fields, which is independent of the acting stress distribution, the ratio of the elastic critical plate buckling stress to the elastic critical column buckling stress (σcr,p/σcr,c) is underestimated if the compressive stress is not uniform. This affects the detection of column buckling behavior. The most economical variant resulting from the optimization, the buckling tool, the influence of shear deformations combined with plate buckling, and the column buckling behavior of unstiffened buckling fields are presented in this paper. [ABSTRACT FROM AUTHOR]
Copyright of CE/Papers is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 179576876
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Design of the cross‐section of a steel composite bridge taking into account the buckling check according to EN 1993‐1‐5.
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  Data: <searchLink fieldCode="AR" term="%22Ndogmo%2C+Joseph%22">Ndogmo, Joseph</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ndogmo@tum.de</i><br /><searchLink fieldCode="AR" term="%22Mensinger%2C+Martin%22">Mensinger, Martin</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22CE%2FPapers%22">CE/Papers</searchLink>. Sep2024, Vol. 7 Issue 3/4, p62-67. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Shear+%28Mechanics%29%22">Shear (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Stress+concentration%22">Stress concentration</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Elastic+plates+%26+shells%22">Elastic plates & shells</searchLink><br /><searchLink fieldCode="DE" term="%22Stiffners%22">Stiffners</searchLink>
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  Label: Abstract
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  Data: As part of optimizing a steel composite section to determine whether longitudinal stiffeners could be omitted concerning plate buckling, a buckling tool was developed that implements both the effective width method (EWM) and the reduced stress method (RSM). These two methods are offered in addition to the finite element method in EN 1993‐1‐5 for buckling analysis. It was found that when using the formula given in EN‐1993‐1‐5 for calculating the critical buckling stress of unstiffened buckling fields, which is independent of the acting stress distribution, the ratio of the elastic critical plate buckling stress to the elastic critical column buckling stress (σcr,p/σcr,c) is underestimated if the compressive stress is not uniform. This affects the detection of column buckling behavior. The most economical variant resulting from the optimization, the buckling tool, the influence of shear deformations combined with plate buckling, and the column buckling behavior of unstiffened buckling fields are presented in this paper. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of CE/Papers is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/cepa.3065
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      – Code: eng
        Text: English
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        PageCount: 6
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      – SubjectFull: Shear (Mechanics)
        Type: general
      – SubjectFull: Stress concentration
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Elastic plates & shells
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      – SubjectFull: Stiffners
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      – TitleFull: Design of the cross‐section of a steel composite bridge taking into account the buckling check according to EN 1993‐1‐5.
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              M: 09
              Text: Sep2024
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              Y: 2024
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