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Comparative Study on Stability of Prestressed Cable Systems in Open Cable-Supported Latticed Shell Structures.

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Title: Comparative Study on Stability of Prestressed Cable Systems in Open Cable-Supported Latticed Shell Structures.
Authors: Qianqian, QU1 7860391886@163.com, Xingmin, HOU2 2653123953@qq.com
Source: Engineering Letters. Jun2026, Vol. 34 Issue 6, p2307-2316. 10p.
Subjects: Cable structures, Structural stability, Finite element method, Dynamic stability, Structural shells, Fault tolerance (Engineering)
Abstract: Thiis study compares the static and dynamic stability of Geiger, Levy, and non-hoop prestressed cable systems on a 109 m single-layer latticed shell. Parametric finite-element models in Midas Gen are analyzed using geometric nonlinear buckling, modal extraction with prescribed initial imperfections, four asymmetric live-load scenarios, and instantaneous single-cable removal. The non-hoop layout achieves the most uniform cable-force distribution, reducing peak cable stress by 28.3% and 25.0% relative to the Geiger and Levy systems, respectively. Sensitivity to initial geometric imperfection increases in the order Geiger Levy non-hoop. At a load factor of 6.0, residual vertical displacements are 1600-1800 mm (1.47%-1.65% of span) for the non-hoop system, whereas the Levy system exhibits 370-600 mm and attains the highest first natural frequency (6.531 Hz). The non-hoop topology, however, provides superior redundancy and a more uniform post-falure response due to its intersecting diagonal network. These findings quantify performance trade-offs among stiffness, redundancy, and robustness, offering evidence-based guidance for topology selection in large-span shell roofs. [ABSTRACT FROM AUTHOR]
Copyright of Engineering Letters is the property of International Association of Engineers (IAENG) 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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DbLabel: Engineering Source
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  Data: Comparative Study on Stability of Prestressed Cable Systems in Open Cable-Supported Latticed Shell Structures.
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  Data: <searchLink fieldCode="JN" term="%22Engineering+Letters%22">Engineering Letters</searchLink>. Jun2026, Vol. 34 Issue 6, p2307-2316. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Cable+structures%22">Cable structures</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+stability%22">Structural stability</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Dynamic+stability%22">Dynamic stability</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+shells%22">Structural shells</searchLink><br /><searchLink fieldCode="DE" term="%22Fault+tolerance+%28Engineering%29%22">Fault tolerance (Engineering)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Thiis study compares the static and dynamic stability of Geiger, Levy, and non-hoop prestressed cable systems on a 109 m single-layer latticed shell. Parametric finite-element models in Midas Gen are analyzed using geometric nonlinear buckling, modal extraction with prescribed initial imperfections, four asymmetric live-load scenarios, and instantaneous single-cable removal. The non-hoop layout achieves the most uniform cable-force distribution, reducing peak cable stress by 28.3% and 25.0% relative to the Geiger and Levy systems, respectively. Sensitivity to initial geometric imperfection increases in the order Geiger Levy non-hoop. At a load factor of 6.0, residual vertical displacements are 1600-1800 mm (1.47%-1.65% of span) for the non-hoop system, whereas the Levy system exhibits 370-600 mm and attains the highest first natural frequency (6.531 Hz). The non-hoop topology, however, provides superior redundancy and a more uniform post-falure response due to its intersecting diagonal network. These findings quantify performance trade-offs among stiffness, redundancy, and robustness, offering evidence-based guidance for topology selection in large-span shell roofs. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Engineering Letters is the property of International Association of Engineers (IAENG) 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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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 10
        StartPage: 2307
    Subjects:
      – SubjectFull: Cable structures
        Type: general
      – SubjectFull: Structural stability
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Dynamic stability
        Type: general
      – SubjectFull: Structural shells
        Type: general
      – SubjectFull: Fault tolerance (Engineering)
        Type: general
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      – TitleFull: Comparative Study on Stability of Prestressed Cable Systems in Open Cable-Supported Latticed Shell Structures.
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              M: 06
              Text: Jun2026
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              Y: 2026
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