Daan Brinkerink successfully completes his bachelor project

7 February 2017

Daan Brinkerink worked on the protection of FBG sensors for his final bachelor project.

Two major challenges occur while using FBG sensors in the rather harsh asphalt construction environment: fragility and cross-sensitivity for strain and temperature. The fragility challenge can be solved by using adequate protection methods to prevent the sensors from breaking. The cross-sensitivity challenge can be solved by using one FBG fibre to measure temperature and another to measure strain.
During this research several laboratory experiments were executed to find adequate protection methods for FBG sensors. Having suitable protection methods would enable the installation of the FBG sensors during the asphalt construction process. This would negate the need for cutting grooves in the asphalt layer in order to install the sensors after construction has been completed.

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