Distributed fibre optic strain sensing – historical bridge in Warsaw
The Gdańsk Bridge is a six-span steel truss bridge, 406.5 m long and 17 m wide, across the Vistula River in Warsaw. It was opened in 1959 after three years of construction. Its characteristic features are two decks: the upper for road traffic and the lower for trams. EpsilonSensors from the Nerve Sensors family were selected and installed on the bridge (surface installation with an appropriate adhesive) to monitor the structural performance of safety-critical steel elements.
DFOS Sensors Installed: EpsilonSensor
Project challenges
Benefits of using the DFOS monitoring system
Results of using the DFOS monitoring system
EpsilonSensors were glued to the steel cross frames using two-component epoxy. The locations of the sensors were selected based on the analysis of results from 3D numerical simulations. Due to the importance of the bridge for traffic in the capital city and its historical character, ongoing structural health monitoring of its safety is invaluable. Nerve-Sensors are the perfect solution for this purpose, supported by the reference vibrating wire sensors.
Example results
Recomendations (optional)
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John Doe
Project partner
