ECO - FRIENDLY PAVEMENT BLOCKS USING PLASTIC - BASED AGGREGATE ALTERNATIVES
DOI:
https://doi.org/10.55766/sujst9574Keywords:
Permeable Concrete, Flood Control, Waste Plastic Management, TRL, SDGAbstract
Permeable pavements are gaining popularity as an innovative solution to mitigate urban stormwater runoff and reduce the environmental impact of traditional impermeable pavements. This study examines the viability of producing permeable pavement blocks by partially substituting plastic aggregate with conventional coarse aggregate. The study employs a rigorous experimental methodology that encompasses material characterization, mechanical testing, permeability evaluations, and environmental impact assessments. Plastic aggregates are used to partially replace coarse aggregates at varying replacement levels of 0%, 5%, 10%, 15%, 20%, and 25% by weight, to evaluate their influence on the mechanical strength and durability of the permeable pavement blocks. Additionally, the hydraulic conductivity of the modified blocks is measured under controlled conditions to determine their effectiveness in managing stormwater runoff. Results demonstrate that the incorporation of plastic aggregates maintains structural integrity while significantly improving water permeability, offering potential benefits for stormwater management and urban flood mitigation, considering factors such as reduced carbon emissions and decreased landfill waste. This study further integrates a Technology Readiness Level (TRL) assessment, highlighting the current developmental stage of this technology and its potential for real-world implementation. The findings from this research contribute to the ongoing efforts to develop sustainable construction practices by reducing the dependence on traditional coarse aggregates and promoting the recycling of plastic waste. This paper provides valuable insights into the potential applications of plastic aggregate in permeable pavement construction and emphasizes the importance of environmentally responsible urban infrastructure development.
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