PROFILOGRAPH CORRELATION STUDY WITH PRESENT SERVICEABILITY INDEX

Several states are beginning to use roughness measurements from the Rainhart and California profilographs for construction control of rigid pavements. Texas is also considering using the profilograph for such purposes. However, the relationship between the roughness measurements provided by these devices and Present Serviceability Index (PSI), as obtained from the Surface Dynamics Profilometer (SDP), is unknown. Since the initial PSI of pavements is currently used in estimating the life of a pavement, the relationship between roughness measurements from the profilograph and PSI is needed. The other two roughness measuring devices used by the state, the Walker Self-Calibrating Roughness Device (WRD) and the Mays Ride Meter (MRM), have been correlated to PSI. A common measure of roughness, the PSI, is needed for all roughness measuring units to maintain consistent measurements. The paper provides correlations between PSI, as obtained from the SDP, and Profile Index (PI) from the California and Rainhart Profilographs. In addition to the correlations with PSI, correlations are also provided between each profilograph with one another and between roughness data from the WRD. A mathematical model of the two profilographs is provided, and the measuring capabilities of the two profilographs to various road profile frequencies or wavelength components are illustrated.

• Record URL:
  http://onlinepubs.trb.org/Onlinepubs/trr/1988/1196/1196-026.pdf
• Record URL:
  https://scholar.google.com/scholar_lookup?title=PROFILOGRAPH+CORRELATION+STUDY+WITH+PRESENT+SERVICEABILITY+INDEX&author=R.+Walker&author=H.+Lin&publication_year=1988
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• Supplemental Notes:
  • This paper appears in Transportation Research Record No. 1196, Pavement Evaluation and Rehabilitation. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
• Authors:
  • Walker, Roger S
  • Lin, Hong-Tsung
• Publication Date: 1988

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 257-275
• Monograph Title: Pavement evaluation and rehabilitation
• Serial:
  • Transportation Research Record
  • Issue Number: 1196
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Correlation analysis; Mathematical models; Profilographs; Profilometers; Rigid pavements; Roughness; Serviceability
• Uncontrolled Terms: Serviceability Index
• Old TRIS Terms: Surface dynamics profilometer
• Subject Areas: Data and Information Technology; Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces;

Filing Info

• Accession Number: 00490166
• Record Type: Publication
• ISBN: 0309047714
• Files: TRIS, TRB, ATRI
• Created Date: Dec 31 1989 12:00AM