Structural Engineering and Mechanics

  • 제37권3호
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  • Pages.321-330
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  • 2011
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Creep effects on dynamic behavior of concrete filled steel tube arch bridge

  • Ma, Y.S. (School of Civil Engineering, Beijing Jiaotong University) ;
  • Wang, Y.F. (School of Civil Engineering, Beijing Jiaotong University) ;
  • Mao, Z.K. (School of Civil Engineering, Beijing Jiaotong University)
  • 투고 : 2010.05.18
  • 심사 : 2010.10.13
  • 발행 : 2011.02.10
⟨ 이전 논문 다음 논문 ⟩

초록

Long-term properties of concrete affect structures in many respects, not excepting dynamic behaviors. This paper investigates the influence of concrete creep on the dynamic behaviors of concrete filled steel tube (CFT) arch bridges, by means of combining the analytical method for the creep of axially compressed CFT members, which is based on Model B3 for concrete creep, with the finite element model of CFT arch bridges. By this approach, the changes of the stress and strain of each element in the bridge with time can be obtained and then transformed into damping and stiffness matrices in the dynamic equation involved in the finite element model at different times. A numerical example of a long-span half-through CFT arch bridge shows that creep influences the natural vibration characteristics and seismic responses of the bridge considerably, especially in the early age. In addition, parameter analysis demonstrates that concrete composition, compressive strength and steel ratio have an obvious effect on the seismic response of the CFT arch bridge.

키워드

과제정보

연구 과제 주관 기관 : National Science Foundation of China

참고문헌

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피인용 문헌

  1. Time-Dependent Analysis of Long-Span, Concrete-Filled Steel Tubular Arch Bridges vol.19, pp.4, 2014, https://doi.org/10.1061/(ASCE)BE.1943-5592.0000549
  2. Influence of creep on dynamic behavior of concrete filled steel tube arch bridges vol.21, pp.1, 2016, https://doi.org/10.12989/scs.2016.21.1.109
  3. Concrete arch bridges built by lattice cantilevers vol.45, pp.5, 2013, https://doi.org/10.12989/sem.2013.45.5.703
  4. Creep performance of concrete-filled steel tubular (CFST) columns and applications to a CFST arch bridge vol.19, pp.1, 2015, https://doi.org/10.12989/scs.2015.19.1.111
  5. Creep Effects on the Reliability of a Concrete-Filled Steel Tube Arch Bridge vol.18, pp.10, 2013, https://doi.org/10.1061/(ASCE)BE.1943-5592.0000446
  6. Arch-to-beam rigidity analysis for V-shaped rigid frame composite arch bridges vol.19, pp.2, 2015, https://doi.org/10.12989/scs.2015.19.2.405
  7. Out-of-plane creep buckling analysis on slender concrete-filled steel tubular arches vol.140, 2018, https://doi.org/10.1016/j.jcsr.2017.10.010
  8. Time-dependent effects on dynamic properties of cable-stayed bridges vol.41, pp.1, 2012, https://doi.org/10.12989/sem.2012.41.1.139
  9. Creep influence on structural dynamic reliability vol.99, 2015, https://doi.org/10.1016/j.engstruct.2015.04.018
  10. Investigating the Hysteretic Behavior of Concrete-Filled Steel Tube Arch by Using a Fiber Beam Element vol.2015, 2015, https://doi.org/10.1155/2015/409530
  11. Temperature Effect on Creep Behavior of CFST Arch Bridges vol.18, pp.12, 2013, https://doi.org/10.1061/(ASCE)BE.1943-5592.0000484
  12. Spatial mechanical behaviors of long-span V-shape rigid frame composite arch bridges vol.47, pp.1, 2013, https://doi.org/10.12989/sem.2013.47.1.059
  13. Long-term structural analysis and stability assessment of three-pinned CFST arches accounting for geometric nonlinearity vol.20, pp.2, 2016, https://doi.org/10.12989/scs.2016.20.2.379
  14. RC Arch Deck Development and Performance Evaluation for Enhanced Deck Width vol.12, pp.1, 2018, https://doi.org/10.1186/s40069-018-0295-y
  15. Theoretical Framework for Creep Effect Analysis of Axially Loaded Short CFST Columns under High Stress Levels vol.2020, pp.None, 2011, https://doi.org/10.1155/2020/5694630