Structural Engineering and Mechanics

  • 제47권1호
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  • Pages.59-73
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  • 2013
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Spatial mechanical behaviors of long-span V-shape rigid frame composite arch bridges

  • Gou, Hongye (Department of Bridge Engineering, Southwest Jiaotong University) ;
  • Pu, Qianhui (Department of Bridge Engineering, Southwest Jiaotong University) ;
  • Wang, Junming (Architecture and Survey Design Institute of Southwest Jiaotong University) ;
  • Chen, Zeyu (China Railway Siyuan Survey and Design Group Co. Ltd.) ;
  • Qin, Shiqiang (Department of Bridge Engineering, Southwest Jiaotong University)
  • 투고 : 2012.07.09
  • 심사 : 2013.07.03
  • 발행 : 2013.07.10
⟨ 이전 논문 다음 논문 ⟩

초록

The Xiaolan channel super large bridge is unique in style and with greatest span in the world with a total length of 7686.57 m. The main bridge with spans arranged as 100m+220m+100m is a combined structure composed of prestressed concrete V-shape rigid frame and concrete-filled steel tubular flexible arch. First of all, the author compiles APDL command flow program by using the unit birth-death technique and establishes simulation calculation model in the whole construction process. The creep characteristics of concrete are also taken into account. The force ratio of the suspender, arch and beam is discussed. The authors conduct studies on the three-plate webs's rule of shear stress distribution, the box girder's longitudinal bending normal stress on every construction stage, meanwhile the distribution law of longitudinal bending normal stress and transverse bending normal stress of completed bridge's box girder. Results show that, as a new combined bridge, it is featured by: Girder and arch resist forces together; Moment effects of the structure are mainly presented as compressed arch and tensioned girder; The bridge type brings the girder and arch on resisting forces into full play; Great in vertical stiffness and slender in appearance.

키워드

참고문헌

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피인용 문헌

  1. Study on the Construction Control of Long-Span V-Shape Rigid Frame Composite Arch Bridges vol.255-260, pp.1662-8985, 2011, https://doi.org/10.4028/www.scientific.net/AMR.255-260.1043
  2. Simulation Calculation and Construction Control of Xiaolan Channel Super Large Bridge vol.655-657, pp.1662-8985, 2013, https://doi.org/10.4028/www.scientific.net/AMR.655-657.1893
  3. Stress Distributions in Girder-Arch-Pier Connections of Long-Span Continuous Rigid Frame Arch Railway Bridges vol.23, pp.7, 2018, https://doi.org/10.1061/(ASCE)BE.1943-5592.0001250
  4. Study on design parameters of leaning-type arch bridges vol.64, pp.2, 2013, https://doi.org/10.12989/sem.2017.64.2.225
  5. Probabilistic pounding analysis of high-pier continuous rigid frame bridge with actual site conditions vol.15, pp.2, 2013, https://doi.org/10.12989/eas.2018.15.2.193