United States Department of Transportation
i
Exploration of Drone and Remote Sensing Technologies in Highway Embankment Monitoring and Management (Phase I) [Tech Summary]
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2023-11-01
[PDF-659.26 KB]
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Abstract:Monitoring the spatial-temporal variation of surface moisture content in highway soil embankment/dam has a practical implication for earth embankment/dam safety. The knowledge of soil moisture content on the surface of earth embankment/dams can help engineers monitor the dynamic evolvement of slope stability due to the adverse effect of excessive moisture and seepage, thus evaluating the risk of stability failure. Nevertheless, traditional inspections on the ground by trained engineers and technicians are laborious, time consuming, and costly. Recent advancements in commercial remote sensing technologies (microwave, thermal infrared, and optical), however, provide opportunities to obtain precise measurements of displacements as well as surface moisture conditions from soil embankments/dams in a cost-effective manner. This research has explored the capabilities of drone-mounted remote sensing sensors for soil moisture detection on embankment/dam soils. Two specific remote sensors were evaluated in this study: FLIR Vue Pro R, a radiometric thermal camera, and MicaSense RedEdge, a multispectral camera for precision agriculture.
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