Relating surface texture parameters from close range photogrammetry to Grip-Tester pavement friction measurements

Reginald Kogbara, Eyad A. Masad, David Woodward, Phillip Millar

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study utilizes close range photogrammetry (CRP) to measure the texture of asphalt pavement surfaces with a view to explaining the variation of friction measurements obtained using a GripTester. A handheld camera was employed to capture images at different locations on both lanes of pavement sections using a scale rule for identification of control points. Proprietary software were employed for creation and analysis of 3D models from the images to determine pavement surface texture parameters. Different scenarios were considered including pavement surface analysis before and after filtering for micro- and macro-texture separation. Thresholding with respect to height to analyze the top 1–2 mm of the surface was also considered. Texture parameters were then related to friction measured at the image capture locations. The lane with higher friction values generally showed higher individual texture parameters across different scenarios. However, meaningful texture-friction correlations along the lanes were only obtained with the top 2 mm of the surface. Stepwise regression indicated that the density of peaks (Spd) and the peak material volume (Vmp) best correlate (R2 = 0.75–0.76) with friction, but the Spd is more influential. These parameters can be used as indicators of pavement surface friction during its service life.

Original languageEnglish
Pages (from-to)227-240
Number of pages14
JournalConstruction and Building Materials
Volume166
DOIs
Publication statusPublished - 30 Mar 2018

Fingerprint

Photogrammetry
Pavements
Textures
Friction
Asphalt pavements
Surface analysis
Service life
Macros
Cameras

Keywords

  • Areal texture parameters
  • Asphalt pavement
  • Close range photogrammetry
  • Feature parameters
  • Pavement friction
  • Skid resistance

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

Cite this

Relating surface texture parameters from close range photogrammetry to Grip-Tester pavement friction measurements. / Kogbara, Reginald; Masad, Eyad A.; Woodward, David; Millar, Phillip.

In: Construction and Building Materials, Vol. 166, 30.03.2018, p. 227-240.

Research output: Contribution to journalArticle

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