Skid resistance characteristics of asphalt pavements in hot climates

Reginald Kogbara, Eyad A. Masad, Emad Kassem, A. Tom Scarpas

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This research assesses the influence of temperature variation on GripTester (Findlay Irvine, Penicuik, Scotland) skid resistance measurements of asphalt pavements in Qatar. It evaluated a test road with six different sections and four major highways during winter and summer seasons with ambient temperature ranging from 18 to 44°C. Close-range photogrammetry (CRP) was employed for surface texture analysis using multiple pavement surface images and proprietary software. Differences in binder type and mixture design of the test road sections did not cause significant differences in skid resistance. The south-north (SN) direction of the test road had lower friction values during summer than winter. The opposite was the case for the north-south (NS) direction. The average friction and corresponding texture parameters in the NS direction were respectively 1.4 and 1.2 times higher than in the SN direction. The major highways generally had lower friction in summer than the following winter despite traffic polishing over time. The results suggest that the effect of temperature on skid resistance becomes pronounced when the grip number drops below 0.30 and surface texture decreases.

Original languageEnglish
Article number4018015
JournalJournal of Transportation Engineering Part B: Pavements
Volume144
Issue number2
DOIs
Publication statusPublished - 1 Jun 2018

Fingerprint

Skid resistance
Asphalt pavements
Textures
climate
road
Friction
Qatar
Photogrammetry
Polishing
Pavements
Temperature
Binders
traffic
cause
Values

Keywords

  • Close-range photogrammetry
  • GripTester
  • Microtexture
  • Pavement friction
  • Surface texture
  • Temperature

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Transportation

Cite this

Skid resistance characteristics of asphalt pavements in hot climates. / Kogbara, Reginald; Masad, Eyad A.; Kassem, Emad; Scarpas, A. Tom.

In: Journal of Transportation Engineering Part B: Pavements, Vol. 144, No. 2, 4018015, 01.06.2018.

Research output: Contribution to journalArticle

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