Seismic assessments for scoured bridges with pile foundations

•An integrated performance-based seismic assessment method is proposed.•For loose sand, the failure mechanism of a scoured bridge is transferred from the piers to the piles.•The seismic performance index of a scoured bridge increases at the initial scouring state.•Although scoured bridges have bette...

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Veröffentlicht in:	Engineering structures 2020-05, Vol.211, p.110454, Article 110454
Hauptverfasser:	He, Lian-Gui, Hung, Hsiao-Hui, Chuang, Che-Yi, Huang, Chang-Wei
Format:	Artikel
Sprache:	eng
Schlagworte:	Assessments Bending moments Bridge failure Bridge foundations Building codes Elastic deformation Failure mechanisms Hinges Mechanical properties Modulus of elasticity Nonlinear analysis Performance indices Piers Pile foundations Piles Plastic properties Plasticity Sand Scour Scoured bridge Scouring Seismic activity Seismic assessment Seismic performance index Seismic response Seismic stability Soil properties Soils Soil–structure interaction Springs (elastic)
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