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Systematic Review of Plastic Waste as Eco-Friendly Aggregate for Sustainable Construction
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This systematic review examines how recycled plastic waste can be used as a substitute for traditional aggregates in concrete and construction materials. Using plastic waste in construction could divert it from landfills and waterways where it breaks down into microplastics. The review evaluates the structural performance and environmental benefits of incorporating plastic into building materials.
The advent of the COVID-19 pandemic has increased the amount of plastic waste. The demand for food and plastic-packaged foodstuffs has increased, and the use of disposable utensils has increased. The large usage of plastic packaging was the main factor which contributed to the plastic waste disposal. Since these plastic wastes are not easily degraded, it has led into massive environmental pollution. Transitioning towards eco-friendly materials fornewsustainabletechnologieswillbecriticaltocombatingfuturepandemicsandreducetheplasticwaste.Hence, recycling of plastic waste and its re-utilization as green and eco-friendly construction material could decrease the tendency of environmental pollution. In this review paper, we have presented an overview of the published articles which recycled plastic waste as an eco-friendly aggregate material for different construction-based applications before COVID 19 and during COVID 19. Furthermore, the processing methods which were suggested in the published articles for recycling plastic waste have been discussed. A few construction materials could be developed by utilizing the plastic wastes, including the polymer-modified asphalt mixes, eco-bricks, and construction and demolitionmaterials.Theseproductscouldbeusedasnovelproductsfor othersustainableapplicationsandbenefits of circular economy. According to several reports, polymeric based plastic wastes can be effectively used as a recycledmaterial,decrease the demand for traditional material sandal so tremendously reduce the construction costs.
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