The ultimate load capacity of extradosed cable-stayed bridges (ECSB) is the basis for structural design and bridge management. The ECSB is a new combination system of both cable- stayed bridges (CSB) and multi-span continuous bridges. It is difficult to predict the ultimate load capacity of ECSB due to its particular form. In this paper, a novel method is presented to predict the ultimate load capacity of ECSB. The procedure of predicting ultimate load capacity consists of two steps. The first is that the ECSB can be equivalent to a multi-span continuous girder with the analogy method; The second is that structural configuration is developed when the live load can form the plastic hinge (PH) and it can determine the load locations using influence lines (IL). Finally, the proposed method is validated with other analytical solutions and numerical results. The results show that the proposed method agrees with previous research findings and the finite element method (FEM). It demonstrates that the proposed method can predict the ultimate load capacity of ECSB.


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    Title :

    Predicting the Ultimate Load Capacity of Extradosed Cable-Stayed Bridges: A Novel Method


    Additional title:

    KSCE J Civ Eng


    Contributors:
    Song, Tao (author) / Wang, Baoqun (author) / Peng, Yi (author) / Cui, Liheng (author)

    Published in:

    Publication date :

    2024-07-01


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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