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Evaluation of Polymer Interlocking Paver Blocks Made of Waste Plastic Polyethylene Terephthalate and Sand Modified with Nano-Sized Palm Kernel Shells
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Scientists found a clever way to turn two waste products—plastic bottles and palm kernel shells (a nut-processing byproduct)—into durable paving blocks for sidewalks and driveways. This matters because it keeps plastic waste out of landfills and oceans, where it would otherwise break down into microplastics that can end up in our water, food, and eventually our bodies. While this study focused on construction quality rather than direct health testing, finding practical uses for waste plastic is a promising step toward reducing our overall exposure to plastic pollution.
Demand for sustainable construction materials has driven research into utilizing waste in innovative ways. This paper focused on incorporating Nano-sized palm kernel shell with recycled waste plastic and sand to produce a Polymer Interlocking Pavement block using a mixed ratio of 1: 2 respectively. The chemical composition of Nano-sized palm kernel shell was examined with X-ray fluorescence Analysis. Effects of Nano-sized palm kernel shell at various percentages, 5, 10, 15, 20, and 25% as filler in the composite, were determined by performing compressive strength, flexural strength, water absorption, and abrasive resistance tests. The micro-structural analysis was done with a Scanning Electron Microscope. The X-ray fluorescence Analysis revealed Iron (III) Oxide and Silicon Oxide as dominant oxides. The addition of Nano-sized palm kernel shell in Polymer Interlocking Pavement block increased the compressive strength by 14.26%, 24.94%, and 75.67% for 7, 21, and 28 days, respectively, at 5% replacement. Reduction in flexural strength, water absorption, and abrasion index with uniform distribution of particles was observed. Conclusively, 5% Nano-sized palm kernel shell gave better resistance to wear of the modified sample, and is considered a reasonable alternative material for Polymer Interlocking Pavement block production to promote sustainable construction practices
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Use of Plastic Waste and Ceramic Waste in Paver Blocks
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Researchers found a clever way to recycle plastic and broken ceramic waste, materials that usually pile up in landfills, by mixing them with cement and sand to make sturdy paving blocks for sidewalks, gardens, and parking lots. This matters because it keeps waste out of landfills and reduces the amount of plastic that could otherwise break down into microplastics and pollute soil, water, and eventually our food and bodies. It's also a cheaper, eco-friendlier alternative to traditional construction materials.
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Researchers found a way to turn plastic waste and fly ash (a coal-burning byproduct) into sturdy paving blocks for sidewalks and parks, without using any cement or water. This matters because it repurposes two hard-to-dispose-of waste materials into something useful, though it's worth noting the process melts plastic at high heat, which is different from letting it break down outdoors where it could shed microplastics into soil and water. While this particular study focused on strength and durability rather than health impacts, using waste plastic in solid, bound construction materials is generally seen as a safer disposal path than letting it degrade in landfills or oce
Sustainable paving blocks by the combination of plastic waste and sand
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Scientists found a clever way to reuse plastic bottles, caps, and labels—the same waste piling up from our bottled water habit—by melting them with sand to make sturdy paving blocks, no cement required. This matters because it gives discarded plastic a useful second life instead of letting it break down into microplastics that pollute soil and water (and potentially end up in our bodies), while also reducing the environmental footprint of cement production.
Utilization of Plastic Waste in Interlocking Paver Blocks for Sustainable Pavement Construction
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Researchers found a way to turn plastic waste into strong concrete blocks for roads and walkways by mixing shredded plastic pieces with regular concrete ingredients. The plastic-concrete blocks were just as strong as normal concrete blocks, offering a promising solution to reduce the mountains of plastic waste that pollute our environment. This approach could help tackle two major problems at once: getting rid of plastic trash that can break down into harmful microplastics, and reducing the need to mine natural materials for construction.
Pemanfaatan Limbah Plastik Sebagai Bahan Subsitusi Agregat Dalam Pembuatan Paving Block
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Researchers found that mixing recycled plastic waste (about 15% by weight) into paving blocks—the tiles used for sidewalks and driveways—actually made them stronger than blocks made without plastic, while higher amounts weakened them. This matters because it offers a practical way to reuse plastic waste in construction instead of letting it pile up in landfills or break down into microplastics that pollute soil, water, and eventually enter our food and bodies.
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