Abstract
Polymers and plastics are main constituents of a variety of daily life products. Nevertheless, there is great public concern on these materials mainly due to waste and end-of-life management. This work reports an alternative for the recycle and reuse of End-of-Life Plastics (EOLP), as performance-enhancing additives of asphalt for road pavement. Physical–mechanical characteristics of Bitumen 50/70 mixtures containing different percentages of EOLP and other polyolefin waste (Secondary primary polymeric materials, SPPM) are compared to standard Bitumen. All mixtures where characterised to determine tensile strength, resistance by Marshall tests and Marshal quotation, density, air voids, indirect tensile strength (ITS), indirect traction coefficient (ITC). Data highlight that use of EOLP as bitumen modifier allows to improve Marshall Stability and ITS of road asphalts. Moreover, benign features of this process clearly appear due to the increase in plastic reuse and recycling, reduced plastic incineration, bitumen and additives consumption, waste management costs, CO2 production.
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Acknowledgements
This research was funded by POR FESR Veneto 2014-2020 Asse 1. Azione 1.1.4 (project title: Advanced waste recovery systems-ID 10057503). The authors would like to thank Dr. E. Cancino and Ing. A. Casotto and the team of Chimicambiente srl (Este, Padova) for their technical support, Elite Ambiente srl (Grisignano di Zocco, Vicenza) for the supply of various plastic material.
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Beghetto, V. et al. (2022). Environmentally Friendly Disposal of End-Of-Life Plastics for Asphalt Production. In: Ghadimi, P., Gilchrist, M.D., Xu, M. (eds) Role of Circular Economy in Resource Sustainability. Sustainable Production, Life Cycle Engineering and Management. Springer, Cham. https://doi.org/10.1007/978-3-030-90217-9_12
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