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A buckling model for the stability design of steel columns with intermediate gravity loads.

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Title: A buckling model for the stability design of steel columns with intermediate gravity loads.
Authors: Teh, Lip H.1 lteh@uow.edu.au, Gilbert, Benoit P.2
Source: Journal of Constructional Steel Research. Feb2016, Vol. 117, p243-254. 12p.
Subjects: Mechanical buckling, Mathematical models, Flexure, Steel, Stability (Mechanics), Material plasticity, Gravity
Abstract: This paper points out an accurate buckling model for determining the flexural effective length of a steel column subjected to intermediate gravity loads, for applications in the 2D second-order elastic analysis based design procedure. The proposed buckling model has “notional” horizontal restraints where equivalent horizontal forces have been applied, and can be readily programmed into a structural analysis/design software. Thirty columns having various end restraints and subjected to concentrated gravity loads within their unsupported lengths are analysed to demonstrate the merits of the proposed buckling model. It is shown that, in most of the cases analysed, the proposed buckling model leads to more liberal column capacities compared to the use of the unity effective length factor or the buckling model described in the European drive-in rack design code. The more liberal capacities are very close to the ultimate loads determined through second-order plastic-zone analysis. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Constructional Steel Research is the property of Elsevier B.V. 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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Header DbId: egs
DbLabel: Engineering Source
An: 111827865
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: A buckling model for the stability design of steel columns with intermediate gravity loads.
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  Data: <searchLink fieldCode="AR" term="%22Teh%2C+Lip+H%2E%22">Teh, Lip H.</searchLink><relatesTo>1</relatesTo><i> lteh@uow.edu.au</i><br /><searchLink fieldCode="AR" term="%22Gilbert%2C+Benoit+P%2E%22">Gilbert, Benoit P.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Constructional+Steel+Research%22">Journal of Constructional Steel Research</searchLink>. Feb2016, Vol. 117, p243-254. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Mechanical+buckling%22">Mechanical buckling</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematical+models%22">Mathematical models</searchLink><br /><searchLink fieldCode="DE" term="%22Flexure%22">Flexure</searchLink><br /><searchLink fieldCode="DE" term="%22Steel%22">Steel</searchLink><br /><searchLink fieldCode="DE" term="%22Stability+%28Mechanics%29%22">Stability (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Material+plasticity%22">Material plasticity</searchLink><br /><searchLink fieldCode="DE" term="%22Gravity%22">Gravity</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper points out an accurate buckling model for determining the flexural effective length of a steel column subjected to intermediate gravity loads, for applications in the 2D second-order elastic analysis based design procedure. The proposed buckling model has “notional” horizontal restraints where equivalent horizontal forces have been applied, and can be readily programmed into a structural analysis/design software. Thirty columns having various end restraints and subjected to concentrated gravity loads within their unsupported lengths are analysed to demonstrate the merits of the proposed buckling model. It is shown that, in most of the cases analysed, the proposed buckling model leads to more liberal column capacities compared to the use of the unity effective length factor or the buckling model described in the European drive-in rack design code. The more liberal capacities are very close to the ultimate loads determined through second-order plastic-zone analysis. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Constructional Steel Research is the property of Elsevier B.V. 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jcsr.2015.10.019
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 243
    Subjects:
      – SubjectFull: Mechanical buckling
        Type: general
      – SubjectFull: Mathematical models
        Type: general
      – SubjectFull: Flexure
        Type: general
      – SubjectFull: Steel
        Type: general
      – SubjectFull: Stability (Mechanics)
        Type: general
      – SubjectFull: Material plasticity
        Type: general
      – SubjectFull: Gravity
        Type: general
    Titles:
      – TitleFull: A buckling model for the stability design of steel columns with intermediate gravity loads.
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            NameFull: Teh, Lip H.
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            NameFull: Gilbert, Benoit P.
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          Dates:
            – D: 01
              M: 02
              Text: Feb2016
              Type: published
              Y: 2016
          Identifiers:
            – Type: issn-print
              Value: 0143974X
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              Value: 117
          Titles:
            – TitleFull: Journal of Constructional Steel Research
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