Dynamic performance of existing double track railway bridges at resonance with the increase of the operational line speed

Dynamic performance of existing double track railway bridges at resonance with the increase of the operational line speed

•Evaluation of acceleration levels in short/medium simply supported railway bridges.•Influence of (1) vertical flexibility of the bearings and (2) transverse vibration modes.•Numerical analysis of a representative ensemble of railway bridges. This article addresses the dynamic behaviour of double tr...

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Veröffentlicht in:Engineering structures 2017-02, Vol.132, p.98-109
Hauptverfasser: Moliner, E., Martínez-Rodrigo, M.D., Museros, P.
Format: Artikel
Sprache:eng
Schlagworte:
Bearings
Bridges
Cancellation
Dynamic response
Elastomeric bearings
Elastomers
Engineering
Finite element method
Girder bridges
High speed rail
Mathematical models
Plates (structural members)
Railroads
Railway bridges
Resonance
Structural engineering
Traffic models
Trains
Velocity
Vertical accelerations
Vibration
Vibration mode
Vibrations
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Beschreibung
Zusammenfassung:•Evaluation of acceleration levels in short/medium simply supported railway bridges.•Influence of (1) vertical flexibility of the bearings and (2) transverse vibration modes.•Numerical analysis of a representative ensemble of railway bridges. This article addresses the dynamic behaviour of double track simply supported bridges of short to medium span lengths (10m
ISSN:0141-0296
1873-7323
DOI:10.1016/j.engstruct.2016.11.031