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Axial Cyclic Testing of Concrete-Filled Steel Tube Columns in Diagrid Structures.

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Title: Axial Cyclic Testing of Concrete-Filled Steel Tube Columns in Diagrid Structures.
Authors: Shi, Qingxuan1,2, Cai, Wenzhe1, Wang, Bin1,2
Source: Advances in Civil Engineering. 5/2/2019, p1-14. 14p.
Subjects: Concrete-filled tubes, Steel testing, Steel tubes, Concrete columns, Cyclic loads
Abstract: Inclined concrete-filled steel tube (CFST) columns in a diagrid structure system can efficiently carry large vertical loads and horizontal forces. This paper presents an experimental study of the stress characteristics of engineered inclined CFST columns under axial cyclic loading. Ten specimens were tested, including two hollow steel tube (HST) columns and eight CFST columns, and the influences of loading scheme, aspect ratio, concrete strength, and steel ratio were examined. The seismic behaviours were investigated, including mechanical behaviour, failure modes and hysteretic curves, and ductility, and the interaction between the steel tube and concrete was examined as well. Better ductility and energy dissipation capacity are achieved in the tension direction, whereas higher bearing capacity and stiffness are achieved in the compression direction. Compared with hollow steel tube columns, the supporting effect of concrete on the steel tube for CFST columns in tension and the restraining effect of the steel tube on concrete for CFST columns in compression ensure higher capacity, deformability, and energy dissipation capacity. [ABSTRACT FROM AUTHOR]
Copyright of Advances in Civil Engineering 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.)
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Header DbId: egs
DbLabel: Engineering Source
An: 136199312
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Axial Cyclic Testing of Concrete-Filled Steel Tube Columns in Diagrid Structures.
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  Data: <searchLink fieldCode="AR" term="%22Shi%2C+Qingxuan%22">Shi, Qingxuan</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Cai%2C+Wenzhe%22">Cai, Wenzhe</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Bin%22">Wang, Bin</searchLink><relatesTo>1,2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Advances+in+Civil+Engineering%22">Advances in Civil Engineering</searchLink>. 5/2/2019, p1-14. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Concrete-filled+tubes%22">Concrete-filled tubes</searchLink><br /><searchLink fieldCode="DE" term="%22Steel+testing%22">Steel testing</searchLink><br /><searchLink fieldCode="DE" term="%22Steel+tubes%22">Steel tubes</searchLink><br /><searchLink fieldCode="DE" term="%22Concrete+columns%22">Concrete columns</searchLink><br /><searchLink fieldCode="DE" term="%22Cyclic+loads%22">Cyclic loads</searchLink>
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  Label: Abstract
  Group: Ab
  Data: Inclined concrete-filled steel tube (CFST) columns in a diagrid structure system can efficiently carry large vertical loads and horizontal forces. This paper presents an experimental study of the stress characteristics of engineered inclined CFST columns under axial cyclic loading. Ten specimens were tested, including two hollow steel tube (HST) columns and eight CFST columns, and the influences of loading scheme, aspect ratio, concrete strength, and steel ratio were examined. The seismic behaviours were investigated, including mechanical behaviour, failure modes and hysteretic curves, and ductility, and the interaction between the steel tube and concrete was examined as well. Better ductility and energy dissipation capacity are achieved in the tension direction, whereas higher bearing capacity and stiffness are achieved in the compression direction. Compared with hollow steel tube columns, the supporting effect of concrete on the steel tube for CFST columns in tension and the restraining effect of the steel tube on concrete for CFST columns in compression ensure higher capacity, deformability, and energy dissipation capacity. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Advances in Civil Engineering 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1155/2019/4726029
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Concrete-filled tubes
        Type: general
      – SubjectFull: Steel testing
        Type: general
      – SubjectFull: Steel tubes
        Type: general
      – SubjectFull: Concrete columns
        Type: general
      – SubjectFull: Cyclic loads
        Type: general
    Titles:
      – TitleFull: Axial Cyclic Testing of Concrete-Filled Steel Tube Columns in Diagrid Structures.
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            NameFull: Shi, Qingxuan
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            NameFull: Cai, Wenzhe
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            NameFull: Wang, Bin
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          Dates:
            – D: 02
              M: 05
              Text: 5/2/2019
              Type: published
              Y: 2019
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            – Type: issn-print
              Value: 16878086
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            – TitleFull: Advances in Civil Engineering
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