Research demonstrates improved physical properties in asphalt through RPET additives, suggesting efficiency in pavement construction.
Through the utilization of waste materials in asphalt pavement, such as plastic water bottles made of Polyethylene Terephthalate (RPET), it is possible to explore alternative solutions that can enhance the service life of asphalt pavement while simultaneously reducing environmental pollution. This research specifically investigates the viability of incorporating waste plastic bottles, made of RPET, as polymer additives in asphalt binder to address common pavement issues. three different proportions of RPET (3%, 5%, and 7%) were added by weight of optimum binder to prepare the specimens. Various tests were conducted, including the physical properties and viscosity. The findings revealed that the optimal modifier content was 5% for the RPET-modified asphalt binder. This composition demonstrated maximum stability. It is observed that the addition of RPET to the asphalt binder resulted in a reduction in penetration values and an increase in softening points. Furthermore, it exhibited improved resistance against permanent deformations and superior engineering properties. This research contributes to the field of modified binder, and waste plastic, specifically Polyethylene Terephthalate (RPET), by providing valuable insights and highlighting the potential benefits of utilizing such materials in pavement construction.
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Allam et al. (2023) studied this question.
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