Strains measurements in asphalt layers during dynamic truck runs
This experimental project involved a road structure equipped with EpsilonRebars for strain measurements. Our sensors provided the unique possibility of analysing the internal behaviour of asphalt layers under dynamic truck runs. The measurements were done in real-time with extremely high spatial resolution and great accuracy. This was due to the high elastic composite core, monolithic design and perfect bonding of the sensors with surrounding asphalt.
DFOS Sensors Installed: EpsilonRebar
Project challenges
Benefits of using the DFOS monitoring system
Results of using the DFOS monitoring system
Our DFOS-based nervous system with EpsilonRebars embedded into the asphalt was used for measurements during truck runs. Sensors could withstand harsh installation conditions, including high temperatures during asphalting. Perfect strain transfer, characteristic of the monolithic design, was clearly visible in the obtained results. For example, we indicated the differences in structural response caused by the action of the front (single wheels) and rear (dual wheels) axles.
Example results
Recomendations (optional)
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John Doe
Project partner
