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Influence of Main Cable Displacement-Controlled Device of Long-Span Suspension Bridge on Seismic Performance of Structure.

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Title: Influence of Main Cable Displacement-Controlled Device of Long-Span Suspension Bridge on Seismic Performance of Structure.
Authors: Yuan, Zhijie1,2 (AUTHOR), Wang, Hao1 (AUTHOR) wanghao1980@seu.edu.cn, Mao, Jianxiao1 (AUTHOR), Li, Rou1 (AUTHOR), Zong, Hai3 (AUTHOR)
Source: International Journal of Structural Stability & Dynamics. 5/15/2026, Vol. 26 Issue 10, p1-24. 24p.
Subjects: Seismic response, Structural control (Engineering), Computer simulation, Stress concentration, Long-span bridges, Deformations (Mechanics), Bridge design & construction
Abstract: The main cable displacement-controlled device (DCD) is the key component in coordinating the displacement and the internal force distribution of the continuous suspension bridge. In order to study the influence of DCD on the seismic performance of the structure, a three-span continuous suspension bridge was taken as the engineering background. The influence of different forms of DCD on the displacement and internal force responses of bridge structures under traveling wave action was investigated through numerical simulation. The research results show that different forms of DCD are beneficial in suppressing the displacement and internal force response under earthquakes. Apparent wave velocity and DCD type have an impact on the peak value and occurrence time of each calculated indicator. The improvement of DCD stiffness is beneficial to reducing the amplitude of structural displacement response and tower bottom bending moment response. With the increase of apparent wave velocity, the control effect of DCD on displacement and moment response becomes more obvious. DCD can slightly reduce the shear and torque time history ranges at the tower bottom, but both are not sensitive to the presence of DCD. The form of DCD depends on the topographic factors of the bridge site and the design requirements of related components. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Structural Stability & Dynamics is the property of World Scientific Publishing Company 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: 192347522
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Influence of Main Cable Displacement-Controlled Device of Long-Span Suspension Bridge on Seismic Performance of Structure.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Yuan%2C+Zhijie%22">Yuan, Zhijie</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Hao%22">Wang, Hao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wanghao1980@seu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Mao%2C+Jianxiao%22">Mao, Jianxiao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Rou%22">Li, Rou</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zong%2C+Hai%22">Zong, Hai</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Structural+Stability+%26+Dynamics%22">International Journal of Structural Stability & Dynamics</searchLink>. 5/15/2026, Vol. 26 Issue 10, p1-24. 24p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Seismic+response%22">Seismic response</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+control+%28Engineering%29%22">Structural control (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Stress+concentration%22">Stress concentration</searchLink><br /><searchLink fieldCode="DE" term="%22Long-span+bridges%22">Long-span bridges</searchLink><br /><searchLink fieldCode="DE" term="%22Deformations+%28Mechanics%29%22">Deformations (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Bridge+design+%26+construction%22">Bridge design & construction</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The main cable displacement-controlled device (DCD) is the key component in coordinating the displacement and the internal force distribution of the continuous suspension bridge. In order to study the influence of DCD on the seismic performance of the structure, a three-span continuous suspension bridge was taken as the engineering background. The influence of different forms of DCD on the displacement and internal force responses of bridge structures under traveling wave action was investigated through numerical simulation. The research results show that different forms of DCD are beneficial in suppressing the displacement and internal force response under earthquakes. Apparent wave velocity and DCD type have an impact on the peak value and occurrence time of each calculated indicator. The improvement of DCD stiffness is beneficial to reducing the amplitude of structural displacement response and tower bottom bending moment response. With the increase of apparent wave velocity, the control effect of DCD on displacement and moment response becomes more obvious. DCD can slightly reduce the shear and torque time history ranges at the tower bottom, but both are not sensitive to the presence of DCD. The form of DCD depends on the topographic factors of the bridge site and the design requirements of related components. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Structural Stability & Dynamics is the property of World Scientific Publishing Company 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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        Value: 10.1142/S0219455426500677
    Languages:
      – Code: eng
        Text: English
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        PageCount: 24
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      – SubjectFull: Seismic response
        Type: general
      – SubjectFull: Structural control (Engineering)
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Stress concentration
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      – SubjectFull: Long-span bridges
        Type: general
      – SubjectFull: Deformations (Mechanics)
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      – SubjectFull: Bridge design & construction
        Type: general
    Titles:
      – TitleFull: Influence of Main Cable Displacement-Controlled Device of Long-Span Suspension Bridge on Seismic Performance of Structure.
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            NameFull: Yuan, Zhijie
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              M: 05
              Text: 5/15/2026
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              Y: 2026
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