Steel and Composite Structures

  • 제19권2호
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  • Pages.405-416
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  • 2015
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Arch-to-beam rigidity analysis for V-shaped rigid frame composite arch bridges

  • Gou, Hongye (Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, School of Civil Engineering, Southwest Jiaotong University) ;
  • Pu, Qianhui (Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, School of Civil Engineering, Southwest Jiaotong University) ;
  • Zhou, Yang (Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, School of Civil Engineering, Southwest Jiaotong University) ;
  • Hong, Yu (Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, School of Civil Engineering, Southwest Jiaotong University)
  • 투고 : 2014.05.29
  • 심사 : 2015.06.11
  • 발행 : 2015.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

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 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. We determined the delimitation value between rigid arch-flexible beam and flexible arch-rigid beam. 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.

키워드

참고문헌

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  1. Dynamic performance of continuous railway bridges: Numerical analyses and field tests 2017, https://doi.org/10.1177/0954409717702019
  2. Timber Arch Bridges with V-shaped Hangers pp.1683-0350, 2018, https://doi.org/10.1080/10168664.2018.1516124
  3. Static behavior of steel tubular structures considering local joint flexibility vol.24, pp.4, 2015, https://doi.org/10.12989/scs.2017.24.4.425
  4. Probabilistic pounding analysis of high-pier continuous rigid frame bridge with actual site conditions vol.15, pp.2, 2015, https://doi.org/10.12989/eas.2018.15.2.193
  5. Dynamic behavior of hybrid framed arch railway bridge under moving trains vol.15, pp.8, 2015, https://doi.org/10.1080/15732479.2019.1594314
  6. Risk assessment for bridge structures against blast hazard via a fuzzy-based framework vol.232, pp.None, 2021, https://doi.org/10.1016/j.engstruct.2021.111874