Evaluation of the engineering properties of asphaltic concrete composite produced from recycled asphalt pavement and polyethylene plastic

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dc.creatorOlukanni, D. O., Oyegbile, Benjamin, Ukpe, Akanimo
dc.date2024
dc.date.accessioned2025-04-15T12:20:11Z
dc.descriptionThis study investigated the suitability of recycled asphalt pavement and polyethylene wastes as coarse aggregate in asphaltic concrete by evaluating the impact of the use of polyethylene polymer wastes and recycled asphalt pavement composite as aggregates on the physical and mechanical properties of the asphaltic concrete. The physical characteristics of the aggregate and bitumen were determined using relevant parametric tests. Recycled asphalt pavement was used to make asphaltic concrete samples using LDPE at 5%, 10%, 15%, RAP at 5% and HDPE at 5%, 10%, 15%, and a mixture of LDPE + HDPE at 5+5%, 7.5 +7.5% and 10+10% RAP at 5% as additives. Marshall Stability test was conducted to assess the mechanical strength of the asphaltic concrete, and the results included information on the aggregate’s stability, flow, density, voids filled with bitumen, voids filled with air, and voids in mineral aggregate. In addition, the surface and crystal structure of the aggregates was studied by carrying out a microscopic examination with a Scanning Electron Microscope (SEM) and X-Ray diffraction (XRD). The results obtained from this study demonstrated that RAP, HDPE & LDPE are viable conventional aggregate substitute for asphalt concrete production.
dc.formatapplication/pdf
dc.identifierhttp://eprints.covenantuniversity.edu.ng/18493/
dc.identifier.urihttps://repository.covenantuniversity.edu.ng/handle/123456789/49102
dc.languageen
dc.subjectTA Engineering (General). Civil engineering (General)
dc.titleEvaluation of the engineering properties of asphaltic concrete composite produced from recycled asphalt pavement and polyethylene plastic
dc.typeArticle

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