Abstract
Based on Wang’Anshi bridge under construction (CFST arch bridge, the suspender cross-girder made of Steel-Concrete composite girder, the main span 168 m) as the research object, by monitoring the process of construction, this paper discusses the advantages brought by Steel-Concrete composite girder in concrete-filled steel tube bowstring arch bridge, from such aspects as the construction cost, construction difficulty, in-process structural stress control, maintenance in later period.
The results show that steel-concrete composite girders are highly industrialized and effectively reduce site construction difficulties; avoid the cracking problem of concrete cross girder and the maintenance cost is effectively reduced. In conclusion, the steel-concrete composite suspender girders are remarkably better than the prestressed concrete suspender girder.
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References
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Wu, F., Xiao, D., Yuan, J., Zhou, S., Tan, Z., Zou, Z. (2020). The Advantages of Steel-Concrete Composite Girder in Half-Through Concrete-Filled Steel Tube Bowstring Arch Bridge. In: Arêde, A., Costa, C. (eds) Proceedings of ARCH 2019. ARCH 2019. Structural Integrity, vol 11. Springer, Cham. https://doi.org/10.1007/978-3-030-29227-0_61
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DOI: https://doi.org/10.1007/978-3-030-29227-0_61
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