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Finite element modelling of steel-caged RC columns subjected to axial force and bending moment

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Title: Finite element modelling of steel-caged RC columns subjected to axial force and bending moment
Authors: Garzón-Roca, Julio1, Adam, Jose M.1 joadmar@cst.upv.es, Calderón, Pedro A.1, Valente, Isabel B.2
Source: Engineering Structures. Jul2012, Vol. 40, p168-186. 19p.
Subjects: Axial loads, Finite element method, Bending moment, Reinforced concrete, Concrete columns, Strength of materials, Strains & stresses (Mechanics)
Abstract: Abstract: Steel caging is an effective, economical, easily applied and widely used method of strengthening RC columns. Based on the results of two experimental studies, this paper proposes the finite element modelling of RC columns strengthened by a steel cage under axial loads and bending moments. The FE models were used to obtain the N-M diagrams of experimental cases in which a study was made of the improved resistance of RC columns strengthened with this type of strengthening technique. The paper also includes a comparison of different methods of connecting the cage around the beam–column joint and a parametric study to observe the influence of diverse parameters on the behaviour of the strengthened column, including: angle dimensions, number of strips, the yield stress of the steel used in the strengthening, the dimensions of the capitals at both ends of the column, concrete strength and the characteristics of the reinforcement used in the columns. Finally, the results of the various tests (experimental and numerical) described in the paper are used to be compared with three design proposals and the goodness of fit of each one is analysed. [Copyright &y& Elsevier]
Copyright of Engineering Structures 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: 75182157
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Finite element modelling of steel-caged RC columns subjected to axial force and bending moment
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  Data: <searchLink fieldCode="AR" term="%22Garzón-Roca%2C+Julio%22">Garzón-Roca, Julio</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Adam%2C+Jose+M%2E%22">Adam, Jose M.</searchLink><relatesTo>1</relatesTo><i> joadmar@cst.upv.es</i><br /><searchLink fieldCode="AR" term="%22Calderón%2C+Pedro+A%2E%22">Calderón, Pedro A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Valente%2C+Isabel+B%2E%22">Valente, Isabel B.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Engineering+Structures%22">Engineering Structures</searchLink>. Jul2012, Vol. 40, p168-186. 19p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Axial+loads%22">Axial loads</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Bending+moment%22">Bending moment</searchLink><br /><searchLink fieldCode="DE" term="%22Reinforced+concrete%22">Reinforced concrete</searchLink><br /><searchLink fieldCode="DE" term="%22Concrete+columns%22">Concrete columns</searchLink><br /><searchLink fieldCode="DE" term="%22Strength+of+materials%22">Strength of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: Steel caging is an effective, economical, easily applied and widely used method of strengthening RC columns. Based on the results of two experimental studies, this paper proposes the finite element modelling of RC columns strengthened by a steel cage under axial loads and bending moments. The FE models were used to obtain the N-M diagrams of experimental cases in which a study was made of the improved resistance of RC columns strengthened with this type of strengthening technique. The paper also includes a comparison of different methods of connecting the cage around the beam–column joint and a parametric study to observe the influence of diverse parameters on the behaviour of the strengthened column, including: angle dimensions, number of strips, the yield stress of the steel used in the strengthening, the dimensions of the capitals at both ends of the column, concrete strength and the characteristics of the reinforcement used in the columns. Finally, the results of the various tests (experimental and numerical) described in the paper are used to be compared with three design proposals and the goodness of fit of each one is analysed. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Engineering Structures 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:
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      – Type: doi
        Value: 10.1016/j.engstruct.2012.02.012
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 19
        StartPage: 168
    Subjects:
      – SubjectFull: Axial loads
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Bending moment
        Type: general
      – SubjectFull: Reinforced concrete
        Type: general
      – SubjectFull: Concrete columns
        Type: general
      – SubjectFull: Strength of materials
        Type: general
      – SubjectFull: Strains & stresses (Mechanics)
        Type: general
    Titles:
      – TitleFull: Finite element modelling of steel-caged RC columns subjected to axial force and bending moment
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            NameFull: Garzón-Roca, Julio
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            NameFull: Adam, Jose M.
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            NameFull: Calderón, Pedro A.
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            NameFull: Valente, Isabel B.
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              Text: Jul2012
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              Y: 2012
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