Unmanned Aerial Vehicles for Inspection of Tack Coats and Ancillary Highway Structures
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2022-11-20
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Edition:Final Report
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Abstract:Unmanned aerial vehicles (UAVs), also known as drones, have emerged as a non-destructive sensing technology in the construction industry for many inspection practices. Compared to other non-destructive inspection technologies, using UAVs offers benefits ranging from accelerating data collection to accessing hard-to-read surfaces and locations. With the broad camera field of view and its affordable cost, UAVs have been actively explored by the research community and industrial practitioners to enhance transportation infrastructure and community inspection practices. This project investigated the feasibility of applying the UAV technology to enhance the inspection operations of tack coats and ancillary highway structures. Proper selection of techniques and algorithm development were carried out to quantitatively assess the coverage uniformity of tack coats applied on pavements and ancillary structural performance through measurements conducted on UAV-captured images. Conduct of experiments showed promising results for use of UAVs in the inspection tasks of tack coats and ancillary highway structures, which could serve as a supplementary method for the current inspection practices.
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