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Equivalent constitutive model of steel plate shear wall structures.

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Title: Equivalent constitutive model of steel plate shear wall structures.
Authors: Wang, Meng1 wangmeng@bjtu.edu.cn, Yang, Weiguo1
Source: Thin-Walled Structures. Mar2018, Vol. 124, p415-429. 15p.
Subjects: Thin-walled structures, Iron & steel plates, Shear walls, Reloading-tool, Computational physics
Abstract: To accurately and efficiently predict seismic responses of steel plate shear wall structures using simplified strip element models, an improved uniaxial equivalent constitutive model was proposed. Skeleton curves were employed, respectively, to quantify the effect of appreciable cyclic hardening characteristics of different steel materials and to take into account the influence of compressive residual stress. Simplified hysteretic criteria were suggested to capture pinching phenomena, reloading process and unloading process in details. Then, the proposed model was incorporated into the general finite element software ABAQUS as a user defined material (UMAT). Together, the model was validated against a series of typical experimental results. Finally, parametric analyses of the prototypes with a wide range of width-to-thickness ratios and loading patterns were conducted, with focus on the feasibility and applicability of the proposed model. These analyses demonstrated that: the proposed model could better evaluate the hysteretic behavior of steel plate shear wall structures with a wide range of width-to-thickness ratios and different steel materials. Meanwhile, it guarantees both the computational accuracy and efficiency, providing a valuable tool for nonlinear analysis of overall steel plate shear wall structures. [ABSTRACT FROM AUTHOR]
Copyright of Thin-Walled 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: 127872054
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Equivalent constitutive model of steel plate shear wall structures.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Meng%22">Wang, Meng</searchLink><relatesTo>1</relatesTo><i> wangmeng@bjtu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yang%2C+Weiguo%22">Yang, Weiguo</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Thin-Walled+Structures%22">Thin-Walled Structures</searchLink>. Mar2018, Vol. 124, p415-429. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Thin-walled+structures%22">Thin-walled structures</searchLink><br /><searchLink fieldCode="DE" term="%22Iron+%26+steel+plates%22">Iron & steel plates</searchLink><br /><searchLink fieldCode="DE" term="%22Shear+walls%22">Shear walls</searchLink><br /><searchLink fieldCode="DE" term="%22Reloading-tool%22">Reloading-tool</searchLink><br /><searchLink fieldCode="DE" term="%22Computational+physics%22">Computational physics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To accurately and efficiently predict seismic responses of steel plate shear wall structures using simplified strip element models, an improved uniaxial equivalent constitutive model was proposed. Skeleton curves were employed, respectively, to quantify the effect of appreciable cyclic hardening characteristics of different steel materials and to take into account the influence of compressive residual stress. Simplified hysteretic criteria were suggested to capture pinching phenomena, reloading process and unloading process in details. Then, the proposed model was incorporated into the general finite element software ABAQUS as a user defined material (UMAT). Together, the model was validated against a series of typical experimental results. Finally, parametric analyses of the prototypes with a wide range of width-to-thickness ratios and loading patterns were conducted, with focus on the feasibility and applicability of the proposed model. These analyses demonstrated that: the proposed model could better evaluate the hysteretic behavior of steel plate shear wall structures with a wide range of width-to-thickness ratios and different steel materials. Meanwhile, it guarantees both the computational accuracy and efficiency, providing a valuable tool for nonlinear analysis of overall steel plate shear wall structures. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Thin-Walled 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.tws.2017.12.016
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 15
        StartPage: 415
    Subjects:
      – SubjectFull: Thin-walled structures
        Type: general
      – SubjectFull: Iron & steel plates
        Type: general
      – SubjectFull: Shear walls
        Type: general
      – SubjectFull: Reloading-tool
        Type: general
      – SubjectFull: Computational physics
        Type: general
    Titles:
      – TitleFull: Equivalent constitutive model of steel plate shear wall structures.
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            NameFull: Wang, Meng
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            NameFull: Yang, Weiguo
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          Dates:
            – D: 01
              M: 03
              Text: Mar2018
              Type: published
              Y: 2018
          Identifiers:
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              Value: 02638231
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              Value: 124
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            – TitleFull: Thin-Walled Structures
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