Effects of SWS Strength and Concrete Air Void Composite Defects on Performance of CFST Arch Bridge Rib

Most large-diameter concrete-filled steel tube (CFST) arch bridges adopt spiral-welded steel tubes for technical and economic reasons. However, during the steel tube manufacturing process, the welding temperature and other factors lead to a decreased spiral-welded seam (SWS) strength initially. Furt...

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Veröffentlicht in:	Mathematical problems in engineering 2020, Vol.2020 (2020), p.1-18
Hauptverfasser:	Lu, Zhengran, Guo, Chao
Format:	Artikel
Sprache:	eng
Schlagworte:	Air-entraining admixtures Arch bridges Bearing capacity Bridges Compressive strength Concrete Data compression Defects Engineering Finite element method Mathematical models Nondestructive testing Scale models Steel columns Steel pipes Steel tubes Ultimate tensile strength
Online-Zugang:	Volltext
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