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- W584140147 abstract "Detecting localized roughness on a pavement is important to identify areas that require the profile correction to reduce the surface irregularities. This study examines a method for detecting localized roughness related to aging characteristics on asphalt concrete pavements by using the data drawn from the Long-Term Pavement Performance Studiesf Specific Pavement Studies 5. A wavelet-based waveband analysis shows that the rate of change in roughness in terms of the International Roughness Index (IRI) is associated with wavelet subband components corresponding to the wavelengths 2.4 - 4.8 and 1.2 - 2.4 m in the profile. This study defines these subband components as the aging characteristics. A statistical analysis significantly supports this result, while it shows that the aging characteristics do not depend on rehabilitation treatment factors as well as the preoverlay IRI, postoverlay IRI, and wheelpath. According to these findings, we propose a method for detecting localized roughness related to the aging characteristics with its threshold corresponding to the Federal Highway Administration's (FHWA's) acceptance limit for the IRI. This method helps to identify areas of localized roughness within a pavement section as vitally important locations that are correlated with the roughness progression over time. This paper also demonstrates a profile-correcting simulation that evaluates potential correction in roughness if those locations are removed from the profile. It provides useful information for theoretically predicting the outcome of localized profile corrections. The result of this study enables road authorities to prioritize pavement maintenance and rehabilitation projects and allocate their funds for the projects more efficiently." @default.
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- W584140147 date "2012-01-01" @default.
- W584140147 modified "2023-09-22" @default.
- W584140147 title "Detecting Localized Profile Defects Related to Surface Roughness Progression on Asphalt Concrete Pavement by Wavelet Analysis" @default.
- W584140147 hasPublicationYear "2012" @default.
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