Distributed fiber optic sensors for the monitoring of a tunnel crossing a landslide

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Abstract

This work reports on the application of a distributed fiber-optic strain sensor for long-term monitoring of a railway tunnel affected by an active earthflow. The sensor has been applied to detect the strain distribution along an optical fiber attached along the two walls of the tunnel. The experimental results, relative to a two-year monitoring campaign, demonstrate that the sensor is able to detect localized strains, identify their location along the tunnel walls, and follow their temporal evolution.

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APA

Minardo, A., Catalano, E., Coscetta, A., Zeni, G., Zhang, L., Di Maio, C., … Zeni, L. (2018, August 1). Distributed fiber optic sensors for the monitoring of a tunnel crossing a landslide. Remote Sensing. MDPI AG. https://doi.org/10.3390/rs10081291

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