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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.
This review highlights the effects of adding to asphalt binder and asphalt mixtures, emphasizing its growing adoption globally due to environmental and economic advantages. The analysis evaluates the performance of asphalt binders and concrete mixtures modified with different forms of...
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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.
Evaluating Effectiveness of Multi-Component Waste Plastic Bags on Bitumen Properties: Physical, Rheological, and Aging
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Researchers characterized waste plastic bag samples dominated by low-density and linear low-density polyethylene and tested their performance as bitumen modifiers, finding they improved rutting resistance by one performance grade. The study evaluates a practical route for valorizing plastic waste in road construction materials.
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.
Experimental Study on Plastic Waste as an Additive in Bitumen
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Researchers blended plastic waste into bitumen at varying proportions and evaluated the modified mixture using standard road engineering tests, finding improvements in softening point and rutting resistance that suggest waste plastic can enhance pavement durability when incorporated at optimized concentrations.
An evaluation of waste plastic in asphalt pavement towards a circular economy
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This engineering study evaluated the use of waste plastic including LLDPE and PET as additives in asphalt pavement mixtures to improve performance. Researchers found that optimal amounts of waste plastic improved pavement durability while providing an outlet for plastic waste. The study explores plastic upcycling in road construction as a contribution to circular economy goals.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.