Use of Remote Sensing in Quality Assessment and Distress Identification in Flexible Pavements: A Systematic Review
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Abstract
Remote sensing has emerged as a promising tool for flexible pavement evaluation, complementing traditional inspection methods. This systematic review examines techniques such as LiDAR and multispectral imaging, highlighting their effectiveness in detecting surface deformations, cracks, and other distress types. Aerial platforms (UAVs) show superior performance for localized inspections, while vehicle-mounted LiDAR systems are better suited for continuous assessment of extensive road networks. Despite progress, challenges remain including the need for higher spatial resolution to identify micro-cracks, environmental interference, and high computational demands. Emerging solutions involving multi-sensor data fusion and artificial intelligence demonstrate potential to overcome these limitations, though methodological standardization and validation against technical standards remain critical for large-scale adoption. The study concludes that remote sensing already provides tangible benefits for road infrastructure management, with potential to transform pavement monitoring and maintenance practices.
Keywords: Remote sensing. Pavement. LiDAR. Pavement Distress.
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