Influence of granular packaging on the resilient module of hot asphalt mixes

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Published: Oct 10, 2016
Keywords:
Bailey method, asphalt mixes, resilient module of asphalt mixes, granular packaging

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Diego A Cárdenas-Orduz
Universidad Pedagógica y Tecnológica de Colombia
Gonzalo Pérez-Buitrago
Universidad Pedagógica y Tecnológica de Colombia

Abstract

Grain-size measurement is an important requirement in the design of asphalt mixes as its mechanical and dynamic characteristics add frictional resistance which contributes to stability.  Grain-size measurement is a relatively easy to control variable and in the INVÍAS specifications for construction of roads it is recommended to evaluate granular packaging according to the Bailey method and report the results, but it is not a requirement for acceptance or denial of the mix design.  The resilient module is a parameter required for design mix  verification and for dimensioning pavement structures.  This article presents the experimental results of the analysis of granular packaging with the three parameters of the Bailey method for different asphalt mixes made with materials from the region of  Boyacá, using three gradations within the grain-size range of an MDC-19 and three within the range of SUPERWAVE. The mixes were designed with the Marshall method accelerated by RAMCODES and the resilient modules were determined with NAT laboratory equipment.  The results are compared using statistical analysis of variance and box diagrams to determine if there are significant differences and decide whether granular packaging influences the magnitude of the resilient modules or not.  As a result of the study, it is determined that the difference between the resilient modules is significant with a confidence level greater than 95%.

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How to Cite
Cárdenas-Orduz, D. A., & Pérez-Buitrago, G. (2016). Influence of granular packaging on the resilient module of hot asphalt mixes. Ingenio Magno, 7(2), 25-42. Retrieved from http://revistas.ustatunja.edu.co/index.php/ingeniomagno/article/view/1192
Issue
Vol. 7 (2016): Ingenio Magno Vol. 7-2
Section
Artículos Vol. 7-2

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Author Biographies

Diego A Cárdenas-Orduz, Universidad Pedagógica y Tecnológica de Colombia

Universidad Pedagógica y Tecnológica de Colombia, Facultad de Ingeniería, Vías y Transporte, Grupo de Investigación y Desarrollo en Infraestructura Vial (Grinfravial).

Gonzalo Pérez-Buitrago, Universidad Pedagógica y Tecnológica de Colombia

Universidad Pedagógica y Tecnológica de Colombia, Facultad de Ingeniería, Vías y Transporte, Grupo de Investigación y Desarrollo en Infraestructura Vial (Grinfravial).

References

Asphalt Institute (1996). Manual SP-2 Superpave Mix Design. Kentucky: Lexington.

Delgado Alamilla, H., Anguas, P. G., Villatoro Mendez, G. M. y Rodríguez Oropeza, G. (2006). Influencia de la granulometría en las propiedades volumétricas de la mezcla asfáltica. Sanfandila: Instituto Mexicano de Transporte.

Huang, Y. H. (1993). Pavement Analysis and Design. Nueva Jersey: Prentice Hall.

Instituto Nacional de Vías (Invías) (2013a). Especificaciones de construcción de carreteras. Bogotá: Autor.

Instituto Nacional de Vias (Invías) (2013b). Normas de ensayo para materiales. Bogotá: Autor.

Sánchez-Leal, F. J. (2002). Nuevo enfoque en el diseño y control de mezclas asfálticas. Popayán: Universidad del Cauca.

Vavrik, W. R., Pine, W. J., Huber, G., Carpenter, S. H. y Bailey, R. (2002). Bailey method for gradation selection in hot-mix asphalt mixture design. Washington: National Reseach Council.

Walpole, R., Myers, R., Myers, S. y Ye, K. (2012). Probabilidad y estadística para ingeniería y ciencias. Ciudad de México: Pearson.