Monolithic sensors vs. layered cables – direct comparison in concrete
The research in question was one of the first of its kind in the world, where conventional layered cables were compared directly with monolithic and composite sensors (EpsilonSensors and Epsilon- Rebars). DFOS tools were installed within six 4 m long reinforced concrete beams, both in compression and tension zone. The impressive results proved the high-quality performance of monolithic sensors, especially in local damage detection, and were used to prepare a PhD thesis.
DFOS Sensors Installed: EpsilonSensor and EpsilonRebar
Project challenges
Benefits of using the DFOS monitoring system
Results of using the DFOS monitoring system
DFOS tools with different internal designs (multiple layers or monolithic cross-sections) and materials (plastic & steel or composite) were used to detect cracks in RC beams. The results clearly show the high-quality performance of monolithic sensors and their advantage over conventional cables, which create the risk of not seeing cracks! This is not acceptable from the safety assessment point of view.
Example results
Recomendations (optional)
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John Doe
Project partner
