The demand uses of plastic are increasing day by day leading to the various outsized amount of plastic waste producees across the world. Therefore, a proper discarding of the plastic wastes without causing any environmental risk has become a real challenge. The reuse of plastic to a beneficial product is one of the sustainable options which can secure the environment and prevent the plastic discarded to the landfill or incinerated. In this study, laboratory test was conducted to analyse the potential of recycle plastic waste as liner material in engineering application. The plastic waste was fabricated as 2mm plastic sheet liner and the geotechnical behaviors namely shear strength was analysed and compared with the commercialized liner which known as the geomembrane. Results of shear analysis showed the cohesion between the fabricated plastic waste liner (FPWL) meet the reference value for cohesion ranging 10-24 kPa. However, for internal friction most of the FPWL samples did not meet the reference value for internal friction ranging between 25-35o. This shows that plastic waste has a good shear strength and meet with global factor which feasible as alternative liner material in engineering application.
This study investigates the potential application of Non-Biodegradable plastic waste (N-BPW) from household (plastic food packaging (PFP)) namely plastic snack packaging (PSP) and plastic bread packaging (PBP) as an alternative to conventional liner material in landfill. The samples were prepared into a single and fabricated layer. The fabricated layers were prepared by applying hot-pressing technique to joint between layers. Then the prepared liners were tested for its chemical and physical properties through Ultimate Tensile Strength Test (UTS) and Fourier Transforms Infrared Spectroscopy (FTIR). The tested samples were compared with conventional geomembrane. Obtained results from FTIR showed that proposed PFP had 70% similar characteristics to geomembrane. In addition, the fabricated samples can sustain high maximum load as compared to conventional geomembrane based on UTS. The proposed liners offer an option to the landfill operators in choosing a good reusable material at a lower cost, solved N-BPW landfilling problems and has great potential to promote as an alternative landfill liner.
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