Journal of Intelligent Transportation and Urban Planning
Journal of Intelligent Transportation and Urban Planning(ITUP)
ISSN:2373-0757(Print)
ISSN:2373-0765(Online)
Frequency: Annually
Website: www.bowenpublishing.com/itup/
Analysis of Pavement Skid Resistance and Its Impact on Vehicle Noise
Abstract:
Pavement Condition Measures are insufficiently monitored in Egypt. The level of skid resistance is one of the Pavement Condition Measures that determine the functional service of a pavement. It is affected by numerous factors including pavement age, pavement temperature, surface texture, contaminants and road geometry parameters. In this study, the dry and wet British Pendulum Number (BPN) was measured on high and low traffic volume roads, old and new paved road sections and different road geometry parameters. Direct comparisons were performed to demonstrate skid resistance variations between these different road conditions, and linear regression was applied to estimate the rate of skid resistance deterioration of each condition separately. In addition, as a result of high traffic noises in Egypt, a study was conducted to find out the significance of skid resistance in affecting tire/pavement noise levels. Statistical models were developed between the two parameters to interpret the relationship between them. Results showed that skid resistance could decrease to reach up to 75% of its initial value following the construction. It was also proved that road geometry parameter locations had a more serious impact on the rate of skid resistance deterioration than normal traffic flow locations especially up and down gradients that illustrated double the rate. Also, results indicated that for each 0.1 variances in the pavement friction coefficient, fluctuations in noise levels would only be around 3dB which deduces that skid resistance is not a very effective factor to consider when delving into noise pollution studies. The knowledge gained in this study produced general information about the levels of skid resistance on the Egyptian roads and would guide the maintenance of asphalt pavements.
Keywords:Skid Resistance; Pavement; British Pendulum Number; Tire/Pavement Noise
Author: Mahmoud Gomaa,Gamal Darwish,Hozayen Hozayen

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