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Abstract:
Up to June 2022, a total of 492 concrete-filled steel tube (CFST) arch bridges with a span length no less than 50 m were investigated in this paper. The statistical results show that both the numbers and the span lengths of CFST arch bridges in China are increasing. The conventional five types of CFST bridges, i.e., deck arch bridge, half-through arch bridge, arch-girder composite bridge, fly-bird-type arch bridge, and through rigid-framed tied arch bridge, are still the majority of the CFST arch bridges. The cross-sectional form of main arch ribs includes single tube, dumbbell-shape, and truss. Material strength of arch rib is constantly improving, the majority of steel strength is Q345, and the majority concrete strength is C50 and C55. The mainly used construction methods include cantilever method, swing method, and scaffolding method, in which the cantilever method has the maximum application together with the widest span. Finally, two CFST arch bridges are introduced as case studies, which have the span length record of half-through and fly-bird-type CFST arch bridges. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
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ISSN: 2366-2557
Year: 2023
Volume: 310
Page: 263-272
Language: English
Cited Count:
SCOPUS Cited Count: 1
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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