Evaluation of truck factors for cargo commercial vehicles that circulate on the colombian's primary road network



load equivalency factor, truck factor, axles, traffic loads, damage, pavement


TrafÆ c estimation is one of the most important aspects in the analysis and structural design of pavements and its adequate determination requires updated values of truck factors. This study aimed to evaluate the truck factors for cargo commercial vehicles operating in the Colombianís primary road network. For this purpose, in 2011, thirty-eight mobile weigh stations were positioned on different strategic points of the national road network to characterize the trafÆ c loads. Based on statistical procedures, updated truck factors were obtained for each type of truck circulating on the roads analyzed. These truck factors can be used for design of road sectors with socioeconomic characteristics similar to those of the roads evaluated. It was found that the type of vehicles that circulate more along the national roads are: C3-S3, C2, C3- S2, C3, and C2-S2, with a distribution of 36%, 35%, 13%, 11%, and 5 %, respectively. Finally, it was observed that the C3 and C3-S3 trucks are the ones causing more damage to the road infrastructure in Colombia taking into account that these vehicles are circulating overloaded in some portions of the road network

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Author Biography

Luis G. Fuentes, Universidad del Norte

Doctor in Road Infrastructure Management from the University of South Florida. Civil Engineer, Director of the Department of Civil and Environmental Engineering of the Fundación Universidad del Norte, and researcher of the TRANVIA Research Group. Its academic, professional, teaching and research emphasis is directed to the design and administration of road infrastructure, operational safety of roads and runways, evaluation and characterization of materials used in pavement structures. He has participated in consulting and research projects for entities such as the National Aeronautics and Space Administration (NASA) and the National Highway Institute (INVIAS).


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How to Cite

Fuentes, L. G., Macea, L. F., & Alvarez, A. E. (2013). Evaluation of truck factors for cargo commercial vehicles that circulate on the colombian’s primary road network. Revista Facultad De Ingeniería Universidad De Antioquia, (66), 57–69. Retrieved from https://revistas.udea.edu.co/index.php/ingenieria/article/view/13050