The Contribution of Micro- and Macro-texture to the Skid Resistance of Flexible Pavement

Skid resistance is an important characteristic of the pavement surface to reduce the number of road accidents. The mechanisms involved in the activation of the frictional force required for a safe braking of the vehicle depend on both the macro- and the micro-texture of the pavement surface. The state-of-the-practice methodologies commonly used for measuring pavement texture at highway speeds only account for the macro-texture, which alone might not be sufficient to effectively characterize skid resistance. This study explored different ways to characterize the micro-texture of pavement surfaces with the main objective of quantifying the effect of accounting for both the micro and the macro components of the texture, rather than just the macro-texture, on the prediction of skid resistance. The friction and texture data analyzed in this study were collected from an experiment conducted on in-service flexible pavement surfaces. Surface friction was measured using a British Pendulum Tester whereas texture data was collected using a Circular Track Meter and a Laser Texture Scanner. The surface micro-texture was characterized by different texture parameters calculated in both the spectral and the spatial domain. The impact of incorporating the micro-texture on the prediction of skid resistance was evaluated by analyzing a series of models specified by each of the proposed parameters. The results of the analyses show a significant improvement in predicting the surface friction when accounting for both components of the surface texture, as opposed to only the macro-texture. Furthermore, the parameters calculated on the frequency domain led to a better prediction power.

• Record URL:
  • http://static.tti.tamu.edu/swutc.tamu.edu/publications/technicalreports/600451-00085-1.pdf
• 
• Summary URL:
  • https://library.ctr.utexas.edu/Presto/content/Detail.aspx?ctID=OWE3NjYzNTktYzJmNC00ZTAwLThmMjItYzhmNzNiYTFmNzdh&rID=MjY2NDE%3D&sID=MQ%3D%3D&qrs=VHJ1ZQ%3D%3D&utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+CTRlibrary-newSWUTC+%28New+SWUTC+reports%29
• Supplemental Notes:
  • This document was sponsored by the U.S. Department of Transportation, University Transportation Centers Program.
• Corporate Authors:

  University of Texas, Austin

  Center for Transportation Research
  3925 W. Braker Lane, 4th Floor
  Austin, TX  United States  78759

  Southwest Region University Transportation Center

  Texas A&M Transportation Institute
  Texas A&M University System, 3135 TAMU
  College Station, TX  United States  77843-3135

  Research and Innovative Technology Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Serigos, Pedro A
  • Buddhavarapu, Prasad
  • Gorman, Grant M
  • Hong, Feng
  • Prozzi, Jorge A
• Publication Date: 2016-2

Language

• English

Media Info

• Media Type: Digital/other
• Edition: Final Report
• Features: Figures; Photos; References; Tables;
• Pagination: 50p

Subject/Index Terms

• TRT Terms: Data analysis; Flexible pavements; Macrotexture; Measuring methods; Microtexture; Pavement surface course; Skid resistance; Texture
• Subject Areas: Highways; Pavements;

Filing Info

• Accession Number: 01603495
• Record Type: Publication
• Report/Paper Numbers: SWUTC/16/600451-00085-1, 600451-00085-1
• Contract Numbers: DTRT12-G-UTC06
• Files: UTC, TRIS, RITA, ATRI, USDOT
• Created Date: Jun 28 2016 4:41PM