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ZHAO Can-hui. In-plane ultimate bearing capacity analysis of deck-type steel braced arch bridge[J]. Journal of Traffic and Transportation Engineering, 2007, 7(6): 80-85.
Citation: ZHAO Can-hui. In-plane ultimate bearing capacity analysis of deck-type steel braced arch bridge[J]. Journal of Traffic and Transportation Engineering, 2007, 7(6): 80-85.
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In-plane ultimate bearing capacity analysis of deck-type steel braced arch bridge

  • School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

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  • Author Bio:

    Zhao Can-hui(1970-), male, EngD, associate professor, + 86-28-87600630, zch2887@163.com

  • Received Date: 2007-03-18
  • Publish Date: 2007-12-25
    Abstract
  • In order to study the nonlinear behavior and influence factors of ultimate bearing capacity for long-span deck-type steel braced arch bridge subjected to in-plane loads, the element stiffness formulas of material nonlinear beam were derived by fibre model method, the equations used to locate element neutral position were determined, the plastic region evolution and stress redistribution of the bridge during entire loading course were analyzed, and the effects of geometrical nonlinear, interaction between arch rib and deck, construction method, loading condition for the bridge were discussed.Analysis result shows that the effects of geometrical nonlinear, interaction between arch rib and deck on the maximum stress of arch rib are less, their effect degrees are within 6%, while the influences of construction method and loading condition on ultimate bearing capacity are obvious.

     

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