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Recycling
Volume 10
Issue 4
10.3390/recycling10040127
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Article

Rebound Effect Generated by Waste HDPE in Hot Asphalt Mixtures

by
David Sepúlveda-Valdez
*,
Julio Calderón-Ramírez
*,
Ricardo Cota-Ramírez
,
José Manuel Gutiérrez-Moreno
,
Marco Montoya-Alcaraz
,
Leonel García-Gómez
and
Atondo Sánchez-Atondo
Civil Engineering Laboratory, Department of Civil Engineering, Engineering Faculty, Autonomous University of Baja California, Mexicali 21360, Mexico
*
Authors to whom correspondence should be addressed.
Recycling 2025, 10(4), 127; https://doi.org/10.3390/recycling10040127
Submission received: 7 February 2025 / Revised: 27 March 2025 / Accepted: 5 April 2025 / Published: 26 June 2025
(This article belongs to the Special Issue Recycled Materials in Sustainable Pavement Innovation)
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Abstract

The feasibility of using high-density polyethylene (HDPE) waste in hot asphalt mixtures was analyzed, with particular focus on the rebound effect generated during compaction. Traditional asphalt mixtures without additives were evaluated alongside mixtures modified with varying percentages of HDPE waste (0.5%, 0.62%, 1%, 4%, and 5%) through the dry method. In this method, crushed HDPE was incorporated as an aggregate within the asphalt mixture structure, added prior to the introduction of the asphalt binder. Laboratory tests assessed compaction, specific gravity (Gmb and Gmm), void content, and resistance to permanent deformation via the Hamburg wheel tracking test. The results indicated that high percentages of HDPE (4% and 5%) triggered a rebound effect that hindered proper compaction of the mixtures, thereby compromising structural integrity. Conversely, mixtures with lower HDPE percentages (0.5% and 0.62%) exhibited better compaction, although they remained comparable to the traditional mixtures without plastic. In conclusion, HDPE does not constitute a viable option for enhancing the properties of asphalt mixtures at high percentages due to elastic behavior during compaction, which introduces densification irregularities. However, some benefits were observed in mixtures with low HDPE percentages, including improvements in stability and resistance to deformation. Nonetheless, these advantages are insufficient to justify replacing traditional asphalt mixtures.
Keywords: asphalt mixtures; HDPE; plastic waste; pavements; sustainability asphalt mixtures; HDPE; plastic waste; pavements; sustainability

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MDPI and ACS Style

Sepúlveda-Valdez, D.; Calderón-Ramírez, J.; Cota-Ramírez, R.; Gutiérrez-Moreno, J.M.; Montoya-Alcaraz, M.; García-Gómez, L.; Sánchez-Atondo, A. Rebound Effect Generated by Waste HDPE in Hot Asphalt Mixtures. Recycling 2025, 10, 127. https://doi.org/10.3390/recycling10040127

AMA Style

Sepúlveda-Valdez D, Calderón-Ramírez J, Cota-Ramírez R, Gutiérrez-Moreno JM, Montoya-Alcaraz M, García-Gómez L, Sánchez-Atondo A. Rebound Effect Generated by Waste HDPE in Hot Asphalt Mixtures. Recycling. 2025; 10(4):127. https://doi.org/10.3390/recycling10040127

Chicago/Turabian Style

Sepúlveda-Valdez, David, Julio Calderón-Ramírez, Ricardo Cota-Ramírez, José Manuel Gutiérrez-Moreno, Marco Montoya-Alcaraz, Leonel García-Gómez, and Atondo Sánchez-Atondo. 2025. "Rebound Effect Generated by Waste HDPE in Hot Asphalt Mixtures" Recycling 10, no. 4: 127. https://doi.org/10.3390/recycling10040127

APA Style

Sepúlveda-Valdez, D., Calderón-Ramírez, J., Cota-Ramírez, R., Gutiérrez-Moreno, J. M., Montoya-Alcaraz, M., García-Gómez, L., & Sánchez-Atondo, A. (2025). Rebound Effect Generated by Waste HDPE in Hot Asphalt Mixtures. Recycling, 10(4), 127. https://doi.org/10.3390/recycling10040127

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