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1977•Transportation Research Record Journal of the Transportation Research BoardRequires access

PERFORMANCE OF THE MAYS ROAD METER

Hugh J. Williamson, Yi Chin Hu, Benjamin F. McCullough

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Abstract

Serviceability index values obtained from the Mays meter and from the surface dynamics profilometer have been shown at times to differ by more than a point. A hypothesized explanation of these large discrepancies, based on the responses of the two machines to roughness with different ranges of wavelengths, is presented. Data from two sets of test sections are shown to be consistent with the hypotheses. The repeatability and day-to-day consistency of the Mays meter are also analyzed. /Author/

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What this paper is about

Serviceability index values obtained from the Mays meter and from the surface dynamics profilometer have been shown at times to differ by more than a point. A hypothesized explanation of these large discrepancies, based on the responses of the two machines to roughness with different ranges of wavelengths, is presented. Data from two sets of test sections are shown to be consistent with the hypotheses. The repeatability and day-to-day consistency of the Mays meter are also analyzed. /Author/

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Available abstract

Serviceability index values obtained from the Mays meter and from the surface dynamics profilometer have been shown at times to differ by more than a point. A hypothesized explanation of these large discrepancies, based on the responses of the two machines to roughness with different ranges of wavelengths, is presented. Data from two sets of test sections are shown to be consistent with the hypotheses. The repeatability and day-to-day consistency of the Mays meter are also analyzed. /Author/

Key concepts: Profilometer, Metre, Serviceability (structure), Zea mays, Surface finish, Repeatability, Wavelength, Consistency (knowledge bases)

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