Extended deflection theories for live load analysis of self-anchored suspension bridges (SASB) involving regular or floating types of girders are derived employing both direct equilibrium method and an energy principle. Subsequently, a simplified FE formulation with hanger extensibility is presented to numerically solve the developed theories. To showcase the validity and precision of the present formulations, a typical SASB model is analyzed, with subsequent comparison of analysis outcomes against those derived from the unstrained length method (ULM). In particular, extensible/inextensible effects of hanger cables, boundary conditions of regular/floating girders, and initial camber effects are intensively investigated. Finally, the most suitable deflection theories for live load analysis of both regular and floating SASB are determined.


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    Title :

    Extended Deflection Theories of Self-anchored Suspension Bridges with Extensible Hangers and Floating Girders


    Additional title:

    KSCE J Civ Eng


    Contributors:

    Published in:

    Publication date :

    2024-09-01


    Size :

    13 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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