Profile analysis of the LTPP SPS-6 site in Arizona.
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2010-07-01
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Abstract:"This report characterizes the longitudinal profiles of five pavement sections within the Arizona Specific
Pavement Studies 6 project throughout their service life. This project was built and monitored as part of
the Long-Term Pavement Performance Study. Road profile measurements were collected on this site
about once per year since the fall after it was opened to traffic. This study analyzed the profiles in detail
by calculating their roughness values, examining the spatial distribution of roughness within them,
viewing them with post-processing filters, and examining their spectral properties. These analyses
provided details about the roughness characteristics of the road and provided a basis for quantifying and
explaining the changes in roughness with time, relating post-rehabilitation roughness with rehabilitation
type, surface preparation, and profile properties, as well as linking profile properties to each section’s
maintenance history and observations of surface distress."
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