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All Journal Jurnal Ilmiah Teknik Kimia Logic : Jurnal Rancang Bangun Dan Teknologi
Taufan, Muhammad Ali
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Kinerja Paving Blok Berbasis Limbah Plastik terhadap Sifat Fisik dan Mekanik Firman, Risman; Limbongan, Joey; Taufan, Muhammad Ali
Jurnal Ilmiah Teknik Kimia Vol. 10 No. 1 (2026): JURNAL ILMIAH TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia, Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jitk.v10i1.54827

Abstract

The increasing accumulation of non-degradable plastic waste has  encouraged the development of sustainable construction materials. This study examines the physical and mechanical performance of paving blocks manufactured from plastic waste using plastic–sand compositions of 100%, 75%, 50%, and 25% based on the sand weight. The production process includes melting the plastic, mixing it with sand, compressing the mixture, and testing based on SNI 03-0691-1996. Compressive strength increases with a higher plastic content, with the 75% plastic mixture reaching 11.64 MPa, followed by 100% plastic at 10.82 MPa, while the 25% mixture reaches only 8.91 MPa. Water absorption decreases as plastic content rises, with the 100% plastic mixture showing the lowest value (0.27%) and the 25% mixture the highest (3.78%). Abrasion resistance was recorded highest in the 100% plastic mixture, with wear values of 0.037- 0.062 mm/min. Based on SNI 03-0691-1996, the use of high plastic proportions was found to enhance the wear resistance and mechanical performance of the paving blocks, thereby demonstrating the significant potential of plastic waste as a sustainable construction material  
EFFECT OF USING WASTE PLASTIC AS A BINDING MATERIAL ON THE PERFORMANCE OF PLASTIC WASTE-BASED PAVING BLOCKS Firman, Risman; Limbongan, Joey; Taufan, Muhammad Ali
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 26 No. 1 (2026): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

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Abstract

The increasing volume of plastic waste poses significant environmental challenges, particularly due to its slow degradation and the accumulation of non-biodegradable materials in landfills. This study explores an alternative utilization of plastic waste by transforming it into a binding material for paving blocks. A quantitative experimental approach was employed to examine how varying proportions of molten plastic and sand influence the physical and mechanical properties of paving blocks. Four mixture variations were tested 100% plastic, 75% plastic : 25% sand, 50% plastic : 50% sand, and 25% plastic : 75% sand, each molded into standard 20 × 10 × 8 cm specimens and evaluated for compressive strength, water absorption, and abrasion resistance. The results demonstrate a clear trend in which higher plastic content leads to improved mechanical performance. The 75% plastic composition exhibited the best overall results, achieving a compressive strength of 11.64 MPa, low water absorption of 1.32%, and an abrasion rate of 0.098 mm/min. The 100% plastic variation also performed well, with a compressive strength of 10.82 MPa and the lowest abrasion values ranging from 0.037 to 0.062 mm/min. In contrast, the low-plastic mixture (25%) showed a marked decline in performance, indicated by a compressive strength of 8.91 MPa, water absorption of 3.78%, and abrasion rates of 0.201–0.226 mm/min. Based on SNI 03-0691-1996, PB100 and PB75 meet Class A quality standards, PB50 is categorized as Class C, and PB25 falls into Class D. Overall, the findings confirm that plastic waste can serve as an effective binder, producing paving blocks with low porosity, high abrasion resistance, and enhanced mechanical properties. These results highlight the promising potential of plastic waste as a sustainable construction material, contributing to both waste reduction and the development of environmentally friendly building products.
Co-Authors Firman, Risman Limbongan, Joey