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Plastic Waste as a Modifier for Flexible Pavement Performance
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Researchers reviewed field and laboratory studies on plastic-modified bituminous pavements and found that incorporating HDPE and LDPE waste improves binding strength, thermal stability, water resistance, and road service life compared to conventional asphalt, offering a route to simultaneously manage plastic waste and reduce road maintenance costs.
Abstract: - The use of plastic waste as a modifier in flexible pavement construction offers a sustainable solution to both environmental pollution and road durability challenges. Studies by researchers and organizations such as the Central Road Research Institute and Indian Roads Congress reveal that incorporating plastics like HDPE and LDPE with bitumen improves binding, stability, and resistance to heat and water. Field applications have demonstrated longer service life, reduced maintenance costs, and better performance of plastic-modified roads compared to conventional pavements. Overall, this technique provides an eco-friendly and cost-effective method to manage plastic waste while enhancing the quality and lifespan of road infrastructure.
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Plastic Waste as a Modifier for Flexible Pavement Performance
AI summary Read the abstract
Researchers review field and laboratory evidence showing that incorporating HDPE and LDPE plastic waste as a bitumen modifier in flexible road pavements improves binding strength, heat resistance, and water resistance while extending service life and reducing maintenance costs compared to conventional asphalt construction.
A Comprehensive Review on the Use of Polyethylene Waste in Hot Mix Asphalt: Material Properties, Performance Enhancement, and Sustainability Perspectives
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This review examines the use of low-density and high-density polyethylene waste as modifiers in hot mix asphalt, finding that PE incorporation can improve binder performance and pavement durability while diverting plastic waste from landfills. The authors assess material properties, environmental benefits, and economic considerations, positioning plastic-modified asphalt as a viable circular economy approach in road construction.
Developing Sustainable Asphalt Mixtures Using High-Density Polyethylene Plastic Waste Material
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Researchers evaluated asphalt mixtures incorporating high-density polyethylene (HDPE) plastic waste as a sustainable road pavement material, assessing whether recycled plastic can improve or maintain pavement performance while addressing plastic waste disposal.
Performance and environmental impacts of waste plastic-modified asphalt pavement: a comprehensive review
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This review examined recent research on using waste plastic to modify asphalt pavement and found that it generally improves road durability while reducing harmful emissions during production. However, challenges remain around plastic-bitumen compatibility and potential microplastic release during the pavement's lifetime, and the authors call for more standardized environmental assessments to ensure the approach is truly sustainable.
Utilizing waste polyethylene for improved properties of asphalt binders and mixtures: A review
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Researchers reviewed the performance effects of incorporating waste polyethylene into asphalt binders and road mixtures, finding that PE modification improves rutting resistance, durability, and fatigue life while offering a co-benefit of diverting plastic waste from landfill — though optimal dosage and blending method vary by PE form.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.