Published: 2014-04-01

Numerical identification of the dynamic characteristics of a steel-concrete railway bridge

Henryk Zobel , Artur Zbiciak , Radosław Oleszek , Rafał Michalczyk , Przemysław Mossakowski

Abstract

The paper presents chosen elements of a dynamic analysis of a rail bridge located on the CMK trunk railway line in Poland. The calculations cover solving an eigenvalue problem for the structure (theoretical modal analysis) using several computational models created with different discretization methods (different accuracy levels) and determination of the dynamic response of the bridge span (time-history analysis - integration of equations of motion) to loading with HSLM train models as per PN-EN 1991-2. The results were compared to the current code and regulations relating to high-speed rail systems.

Keywords:

dynamic analysis, Eurocodes, FEM, HSLM, moving loads, railway bridges

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Zobel, H., Zbiciak, A., Oleszek, R., Michalczyk, R., & Mossakowski, P. (2014). Numerical identification of the dynamic characteristics of a steel-concrete railway bridge. Roads and Bridges - Drogi I Mosty, 13(3), 275–301. https://doi.org/10.7409/rabdim.014.018

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