On one of the main streets along the tramway line, the alignment ran over old underground pipes. In order to protect these old pipes from the tramway vibrations, it was decided to put the tracks on floating slabs resting on piles. The piles carried the discrete bearings of the floating slabs. Due to the complex geometry of the different slabs, the stiffness of all discrete bearings is different. A finite element model of the complete system was made in order to optimise its dynamic behavior.
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