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.
Crack monitoring in a road tunnel by plastic optical fibre sensing
Schenato L.;
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.
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