ABSTRACT
To make a rigorous analysis of the dynamic behaviour of railway bridges a method for 3D analysis of the train-structure dynamic interaction, developed by the centre of competence in railways of the Faculty of Engineering of the University of Porto (CSF-FEUP), is described. Subsequently, several case studies developed by CSF-FEUP are presented, showing the efficiency and the usefulness of the developed method and enabling the achievement of different objectives, such as: i) the running safety assessment of trains moving over long bridges subjected to earthquake actions; ii) the track stability and wheel-rail contact stability safety assessment on short span railway bridges; iii) the running safety assessment of trains for settlement of the backfill at transition zones to railway bridges.
