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Utilization of Recycled Plastic Waste as Partial Substitute of Fine Aggregate in Eco-Friendly Concrete
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Researchers tested recycled plastic waste as a replacement for fine aggregate (sand) in concrete, mixing it in at 0%, 10%, 20%, and 30%. Concrete with 10% plastic waste had the highest compressive strength, while plain concrete (0%) had the lowest, and strength declined slightly at 20% and 30%.
In the present day, plastic pollution is one of the most prevalent environmental issues. It requires 50-100 years to decompose, which is a challenging process. Plastic waste serves as an alternative to fine aggregate in this investigation. Variations of plastic waste are incorporated into concrete at a rate of 0%, 10%, 20%, and 30%. The compressive strength decreases as the percentage of plastic refuse added increases. Maximum compressive strength is achieved at 19.21N/mm2, 22.54 N/mm2, 20.22 N/mm2, and 21.08 N/mm2 for variations of 0%, 10%, 20%, and 30%, respectively. Two categories are taken into account: group 1 is 0% and group 2 is 10%. Each group contains sixteen samples. The total sample size is 32. The significance of the SPSS analysis is 0.001 (P<0.05). The mean compressive strength is the highest in the 10% group. The mean compressive strength is the lowest in the 0% group. The error bars denote ±2 standard deviations (SD) and 95% confidence intervals (CI). The 20% and 30% groups exhibit a small decrease in compressive strength beyond 10%.
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