At first, we proposed the concept of nominal rigidity of a long-span V-shaped rigid frame composite arch bridge, analyzed the effects of structural parameters on nominal rigidity, and derived a theoretical nominal rigidity equation. In addition, we also discussed the selection of the arch-to-beam rigidity ratio and its effect on the distribution of internal forces, and analyzed the influence of the ratio on the internal forces. Then, we determined the delimitation value between rigid arch-flexible beam and flexible arch-rigid beam. At last, we summarized the nominal rigidity and arch to beam rigidity ratios of existing bridges. The results show that (1) rigid arch-flexible beam and flexible arch-rigid beam can be defined by the arch-to-beam rigidity ratio; (2) nominal rigidities have no obvious differences among the continuous rigid frame composite arch bridge, V-shaped rigid frame bridge, and arch bridge, which shows that nominal rigidity can reflect the global stiffness of a structure.


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    Title :

    Study of Arch and Beam Rigidity of Long-Span V-Shaped Rigid Frame Composite Arch Bridges


    Contributors:
    Gou, Hong-ye (author) / Teng, Ling (author) / Pu, Qian-hui (author) / Hong, Yu (author)


    Publication date :

    2014-05-15


    Size :

    82014-01-01 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown



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