Nea Peramos railway bridge instrumentation, Hellenic Railways

Nea Peramos railway bridge instrumentation

The Nea Peramos steel railway bridge was constructed in the 19th century and has undertaken a series of reinforcements and structural upgradings since. A FBG sensor was chosen for its instrumentation, which recorded the bridge’s strain at the crossing of a train. Finally, the experimental data was compared to the theoretical (through finite elements analysis) data.

FBG sensor installed on the bottom of a beam
FBG sensor installed on the bottom of a beam
finite elements analysis of the cross sections of the bridge’s beams
finite elements analysis of the cross sections of the bridge’s beams
FBG sensor's displacement - time diagram during train crossing
FBG sensor's displacement - time diagram during train crossing

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