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Elastic Stability Behavior of Self-Anchored Suspension Bridges by the Deflection Theory

Auteur(s):



Médium: article de revue
Langue(s): anglais
Publié dans: International Journal of Structural Stability and Dynamics, , n. 4, v. 17
Page(s): 1750050
DOI: 10.1142/s021945541750050x
Abstrait:

To investigate the elastic buckling behavior of self-anchored suspension bridges subjected to proportionally increasing dead loads, a new stability procedure is proposed based on the deflection theory. For this purpose, a finite element buckling analysis is performed using the initial state solution based on the unstrained length method (ULM) (Ref. 1 ). The finite element solutions are compared with those by the deflection theory. It is shown that both the main girder and tower of the self-anchored suspension bridge are under compression, but their fundamental buckling modes are tower-dominant. Importantly, it is observed that local buckling within the main girder supported by hangers occurs without any geometric change of the main cable, in the higher buckling modes of the self-anchored suspension bridge.

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Structurae ne peut pas vous offrir cette publication en texte intégral pour l'instant. Le texte intégral est accessible chez l'éditeur. DOI: 10.1142/s021945541750050x.
  • Informations
    sur cette fiche
  • Reference-ID
    10352383
  • Publié(e) le:
    14.08.2019
  • Modifié(e) le:
    14.08.2019
 
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