Structural Engineering and Mechanics

  • 제50권4호
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  • Pages.501-524
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  • 2014
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Loading capacity evaluation of composite box girder with corrugated webs and steel tube slab

  • He, Jun (School of Civil Engineering and Architecture, Changsha University of Science & Technology) ;
  • Liu, Yuqing (Department of Bridge Engineering, Tongji University) ;
  • Xu, Xiaoqing (Department of Bridge Engineering, Tongji University) ;
  • Li, Laibin (Xingtai Road & Bridge Construction Corporation)
  • 투고 : 2012.09.13
  • 심사 : 2014.03.20
  • 발행 : 2014.05.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents a type of composite box girder with corrugated webs and concrete filled steel tube slab to overcome cracking on the web and reduce self-weight. Utilizing corrugated steel web improves the efficiency of prestressing introduced into the top and bottom slabs due to the accordion effect. In order to understand the loading capacity of such new composite structure, experimental and numerical analyses were conducted. A full-scale model was loaded monotonically to investigate the deflection, strain distribution, loading capacity and stiffness during the whole process. The experimental results show that test specimen has enough loading capacity and ductility. Based on experimental works, a finite element (FE) model was established. The load-displacement curves and stress distribution predicted by FE model agree well with that obtained from experiments, which demonstrates the accuracy of proposed FE model. Moreover, simplified theoretical analysis was conducted depending on the assumptions which were confirmed by the experimental and numerical results. The simplified analysis results are identical with the tested and numerical results, which indicate that simplified analytical model can be used to predict the loading capacity of such composite girder accurately. All the findings of present study may provide reference for the application of such structure in bridge construction.

키워드

참고문헌

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피인용 문헌

  1. Load Capacities of Steel and Concrete Composite Bridge Deck Slab with Haunch vol.2017, 2017, https://doi.org/10.1155/2017/3295303
  2. Shear capacity of a novel joint between corrugated steel web and concrete lower slab vol.163, 2018, https://doi.org/10.1016/j.conbuildmat.2017.12.114
  3. A softened membrane model for prestressed concrete composite box girders with corrugated steel webs under pure torsion pp.2048-4011, 2018, https://doi.org/10.1177/1369433218788597
  4. Mechanical Behavior of Prefabricated Composite Box Girders with Corrugated Steel Webs under Static Loads vol.23, pp.10, 2018, https://doi.org/10.1061/(ASCE)BE.1943-5592.0001290
  5. Stress analysis of a new steel-concrete composite I-girder vol.28, pp.1, 2014, https://doi.org/10.12989/scs.2018.28.1.051
  6. Experimental Study on Structural Performance of Prefabricated Composite Box Girder with Corrugated Webs and Steel Tube Slab vol.24, pp.6, 2014, https://doi.org/10.1061/(asce)be.1943-5592.0001405
  7. Modified rotating-angle softened truss model for composite box-girder with corrugated steel webs under pure torsion vol.23, pp.9, 2014, https://doi.org/10.1177/1369433219898063
  8. The development of composite bridges with corrugated steel webs in China vol.174, pp.1, 2021, https://doi.org/10.1680/jbren.19.00018