Publication Date:
2015
abstract:
In this work, a low cost optical fibre sensing system for concrete cracks assessment inside a road tunnel is presented. A plastic optical fibre, with large dynamic strain range is used for sensing cracks. The system exploits a commercially available interrogator capable of estimating integral deformation of the cable via a phase measurement of a RF modulated optical signal.
Iris type:
04.01 Contributo in Atti di convegno
Keywords:
fibre optic sensors; strain measurement; phase measurement; crack detection; deformation; optical modulation; concrete; tunnels
List of contributors: