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Studi Eksperimental Penggunaan Butiran Expanded Polystyrene (EPS) sebagai Pengganti Pasir pada Campuran Bata Beton
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Researchers experimentally evaluated the use of expanded polystyrene (EPS) granules as a partial sand replacement in concrete brick mixtures, measuring density and stress-strain characteristics of the resulting composite material. They found that increasing EPS content reduced material density and altered mechanical strength properties, offering potential for producing lighter, more eco-friendly building blocks from EPS waste.
EPS merupakan material yang lazim digunakan di kehidupan sehari-hari. Dibalik kegunaannya yang masif, penggunaannya dapat memberikan dampak negatif untuk lingkungan karena sifatnya yang tidak biodegradable sehingga menimbulkan permasalahan berupa sampah. Untuk itu, perlu dilakukan upaya mengurangi dampak penggunaan EPS, salah satunya adalah dengan pemanfaatan kembali sampah bulir EPS sebagai penyusun material bata beton ramah lingkungan. Penelitian ini bertujuan untuk mengamati karakteristik sampel yang terdiri atas massa jenis dan hubungan tegangan-regangan serta signifikansi perubahan kekuatan tekan jika EPS mengganti elemen pasir pada bata beton penyusun dinding. Pada penelitian eksperimental ini, sampah bulir EPS berukuran 5 mm digunakan sebagai material pengganti pasir dengan variasi 0%, 5%, 10%, 15%, dan 20% dari volume pasir untuk campuran bata beton dengan proporsi massa air:semen:pasir sejumlah 1:1:4 ke dalam silinder berdiameter 10 cm dan tinggi 20 cm. Dari hasil penelitian, dapat diambil kesimpulan bahwa massa jenis yang diperoleh berada di dalam batas massa beton ringan (<1850 kg/m3). Analisis hasil tegangan-regangan dilakukan. Kekuatan tekan pada campuran bata beton dengan EPS menurun seiring dengan peningkatan jumlah subtitusi pasir dengan EPS yang dilakukan. Hasil kuat tekan yang diperoleh dibandingkan dengan syarat kuat tekan bata beton dan bata ringan menurut Standar Nasional Indonesia (SNI).
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Performance Characterization and Evaluation of Innovative Cement Mortars and Concretes Made with Recycled EPS
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Not relevant to microplastics — this study evaluates the mechanical strength and thermal insulation performance of cement mortars and concretes that incorporate recycled expanded polystyrene (EPS) beads as aggregate, focused on construction materials.
Effect of composite polystyrene granular thermal insulation mortar on thermal energy storage of building energy consumption
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Researchers simulated the effect of adding polystyrene granules to building insulation mortar on thermal energy storage and overall building energy use. The composite mortar improved insulation performance, suggesting polystyrene waste materials could be repurposed in construction to reduce building energy consumption.
Experimental Investigation on Strength Characteristics of Concrete Cubes Using Waste Plastic
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Researchers investigated the use of municipal plastic waste — primarily polyethylene — as a partial substitute material in concrete production, examining how incorporation of waste plastic affects the compressive strength characteristics of concrete cubes.
Sustainable Hybrid Lightweight Aggregate Concrete Using Recycled Expanded Polystyrene
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Researchers developed lightweight concrete by incorporating recycled expanded polystyrene (EPS) waste as an aggregate, finding that the hybrid material reduced structural weight while offering a practical pathway to divert billions of kilograms of EPS from landfills annually.
Assessment of Plastic-Infused Concrete Bricks and Their Suitability for Interlocking: Mechanical, Durability, and Environmental Perspectives
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Researchers tested plastic-infused concrete bricks as a way to repurpose plastic waste in construction materials, evaluating their mechanical strength and suitability for different building applications. The study explores whether incorporating plastic waste into durable materials can reduce the plastic entering the environment as microplastics.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.