A Remote Sensing and GIS-Enabled Highway Asset Management System Phase 2
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2018-02-02
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Abstract:The objective of this project is to validate the use of commercial remote sensing and spatial information (CRS&SI) technologies, including emerging 3D line laser imaging technology, mobile light detection and ranging (LiDAR), image processing algorithms, and GPS/GIS technologies, to improve transportation asset data collection, condition assessment, and management. The research focuses include the validation of automatic asphalt pavement crack classification, concrete pavement distress detection, pavement marking retroreflectivity condition assessment using mobile LiDAR, and the long-term monitoring of pavement conditions in terms of cracking and rutting. The automatic classification of two major types of cracks, load cracking and block cracking, were comprehensively validated and show very promising results. The detection of concrete pavement distresses, including cracking, faulting, spalling, and shoulder joint distress, were validated using experimental tests conducted on I-516 and I-16. The preliminary study on pavement marking retroreflectivity condition assessment using mobile LiDAR has shown very promising results, though more large-scale tests are needed to include more marking materials. The implementation and applications of the research outcomes have been presented to demonstrate the benefit of this research project. Finally, conclusions are made and recommendations are suggested.
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