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Identification of Railway Track Parameters for the Track/Train Interaction Analysis

Abstract : The paper presents the salient features of the design of the Railway viaduct over Axios River on the new high-speed double railway line, which is the longest (800m) railway bridge in Greece constructed using the travelling gantry method. Located in a high seismic hazard area, the viaduct is provided with an isolation system aiming to reduce the structural response to seismic loading, a solution that presents several challenges in the case of railway bridges and cannot be implemented solely on the basis of existing codes. Lead-rubber bearings are provided at each pier to deck connection and system damping is further increased through fluid viscous dampers at each abutment. To verify the performance of the isolation system, analysis for seismic actions is conducted in three discrete stages of increasing complexity. Seismic forces and displacements are found to be within acceptable limits and serviceability requirements are also met. Conclusions are drawn regarding the feasibility of using passive systems in railway bridges in seismic areas
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Submitted on : Wednesday, December 8, 2021 - 8:55:13 AM
Last modification on : Monday, May 2, 2022 - 9:09:09 AM

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Rasul Fesharakifard, Antoine Dequidt, Olivier Coste, Thierry Tison. Identification of Railway Track Parameters for the Track/Train Interaction Analysis. The Second International Conference on Railway Technology: Research, Development and Maintenance, Apr 2014, Ajaccio, France. ⟨10.4203/ccp.104⟩. ⟨hal-03469999⟩

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