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The Study of Relationship between the Mean Depth Value and Friction Resistance and Factor Influencing the Skid Resistance

Palawut Arunothai, Suponcha Utainarumol

Abstract


This research aims to study 1) Relationship and construct the correlation equations of texture depth and Skid resistance 2) Factors influencing road surface roughness. The equation for deterioration of traffic surface friction was formulated. The tool used in this study to determine the texture depth of the traffic surface are the Sand Patch tools and the Skid (ASFT T - 10) surface skid resistance test. The investigation was performed on AC 60-70 asphaltic concrete pavement and Para Slurry Seal with 1-3 years lifetime. Data from the Department of Highways including traffic volume, age of road surface (years), percent of heavy truck, number of trucks in the left lane, volume of trucks throughout the road surface were also analysed by software. The results of this research are as follows: 1) The correlation between texture depth and Skid resistance of AC 60-70 surface is y = 0.1415x - 0.3414 and Para Slurry Seal is y = 0.3816x + 0.2473 and 2) Factors influencing road surface roughness are traffic volume, lifetime of road surface (years), number of trucks in the left lane and volume of trucks throughout the road surface. Equation of motion deterioration of the pavement type (AC 60-70) is y = 0.320 – 1.946*10-8 *AADT*365*year and Para Slurry Seal is y = 0.604 – 0.1201*10-8*AADT*365*year.

Keywords


Skid Resistance; Depth of Road Surface Accessibility Regression Model; Forecasting

[1] P. Sedokbuab, The Study of Factor influencing the Skid Resistance of the Road Surface, Bangkok: King Mongkut's University of Technology North Bangkok, 2013. (in Thai)

[2] P. Bunraksa and P. Chano, "Skid resistance test (Skid Resistance) of road surface by Portable Skid Resistance Tester," Bureau of Material Analysis and Inspection, Bangkok, 2008. (in Thai)

[3] C. Payongsi, "Inspection of surface Stiffness with Continuous Friction Measuring Equiment," Bureau of Material Analysis and Inspection, Bangkok, 2015. (in Thai)

[4] B. Rungruengchaisri, "Analysis of correlation between the pavement friction coefficient from the test instrument," Khon Kaen University, Khon Kean, 2013. (in Thai)

[5] K. Vanichbuncha, SPSS for Windows data analysis, Bangkok: Chulalongkorn University, 2003. (in Thai)

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