Life-cycle seismic performance assessment of aging RC bridges considering multi-failure modes of bridge columns

•Seismic fragility analysis is conducted for aging RC bridges in a life-cycle context;•The columns will fail in flexure-shear modes at severer corrosion levels;•Seismic fragility of the bridge significantly increases in case of flexure-shear failure of the columns;•Results highlight the importance o...

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Veröffentlicht in:	Engineering structures 2021-10, Vol.244, p.112818, Article 112818
Hauptverfasser:	Xu, Ji-Gang, Cai, Zhong-Kui, Feng, De-Cheng
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Aging (metallurgy) Bridge failure Columns (structural) Concrete bridges Corrosion Corrosion effects Deterioration Failure analysis Failure modes Flexing Flexure-shear interaction Fragility Ground motion Life cycle assessment Mathematical models Numerical models Performance assessment Performance degradation Reinforced concrete Reinforced concrete bridge Reinforcing steels Seismic activity Seismic analysis Seismic fragility Seismic response Shear Time-dependent capacity
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