Use of Recycled Plastic Waste in Pavement Engineering: Performance Evaluation

The increasing generation of plastic waste has led to environmental concerns, pushing for innovative recycling solutions. One promising approach is the use of recycled plastic waste in pavement engineering, which serves as an alternative to traditional materials. This manuscript explores the potential benefits, challenges, and performance evaluation of using recycled plastic waste in the construction of pavements. The study focuses on analyzing the mechanical properties, durability, and cost-effectiveness of plastic-modified pavements, comparing them with conventional pavement materials. Additionally, environmental considerations, such as the reduction in plastic waste and the lowering of carbon footprints, are evaluated. By assessing key performance indicators like strength, stability, water resistance, and cracking potential, this research aims to determine the feasibility of integrating recycled plastic into pavement materials. Simulation models are developed to predict the long-term performance of plastic-modified pavements under real-world traffic and environmental conditions. The research indicates that incorporating recycled plastic waste into asphalt can enhance pavement quality, reduce material costs, and contribute to sustainable waste management. However, challenges related to material consistency, compatibility with bitumen, and long-term performance remain. The findings support the inclusion of recycled plastic in future pavement projects, providing a foundation for further optimization and real-world application.