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Evaluation of the automated distress survey equipment : final report, September 2009.
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2009-09-01
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[PDF-3.36 MB]
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Abstract:This research:
• Illustrated the abilities and limitations of the Automated Distress Survey
Equipment and Software to collect, characterize, and analyze pavement
cracking distresses under different lighting conditions.
• Assessed the NJDOT profiler crew’s evaluation of these same sections.
• Used graphical comparisons and statistical analyses to make assessments
of repeatability of multiple test runs under different lighting conditions and
different degrees of data processing.
This research conclude that based on the analysis, the Automated Distress
Survey Equipment can be used to collect cracking distress data with quality
control checks to ensure that the cracking data collected, characterized, and
analyzed is accurate.
This research recommends that the NJDOT needs to collaborate with the
vendor to refine the data collection and analysis procedures to differentiate the
location of cracking (within and outside of the wheel paths) and to provide
quality control on the data collection and analysis.
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