International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Performance Evaluation of Different Types of Plastic Incorporated in Hot Mix Asphalt (HMA)

Author(s) Bimal Bastola, Aakanshya Ghimire, Nirajan Ghimire, Ajay K.C., Rajiv Subedi
Country Nepal
Abstract The global plastic waste crisis poses a significant environmental challenge, requiring innovative and sustainable solutions for its management. This study explores the integration of various plastic wastes (PP, MLP, LDPE, and crumb rubber) into asphalt mixtures. It conducts a comparative assessment of four distinct plastic materials by analyzing their Marshall properties. Laboratory experiments demonstrated that including various plastics at an approximate rate
of 8% significantly reduces the demand for virgin bitumen in asphalt mixes, indicating the potential for bitumen replacement by waste plastic to some extent. Plastic waste is added to hot aggregates, resulting in coated aggregates. When used in the asphalt mix, plastic-coated aggregates (PCA) exhibit better binding properties, enhanced resistance to moisture damage, Marshall stability, and density. Additionally, incorporating PCA in road construction leads to a reduction in carbon emissions. This paper promotes a circular economy, reducing the environmental impact, i.e., carbon footprint of plastic waste, while improving the quality and longevity of our road networks.
Keywords Asphalt mixture, Plastic coated aggregate (PCA), Marshall properties, carbon footprint, PP, MLP, LDPE.
Field Engineering
Published In Volume 6, Issue 3, May-June 2024
Published On 2024-06-02
Cite This Performance Evaluation of Different Types of Plastic Incorporated in Hot Mix Asphalt (HMA) - Bimal Bastola, Aakanshya Ghimire, Nirajan Ghimire, Ajay K.C., Rajiv Subedi - IJFMR Volume 6, Issue 3, May-June 2024. DOI 10.36948/ijfmr.2024.v06i03.21215
DOI https://doi.org/10.36948/ijfmr.2024.v06i03.21215
Short DOI https://doi.org/gtxrr8
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