Papers

61,005 results
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Article Tier 2

Potential use of PET and PP as partial replacement of sand in structural concrete

Researchers tested whether PET and polypropylene plastic waste could partially replace sand in structural concrete, evaluating the physical and mechanical properties of the resulting material. Using post-consumer plastic in construction is one strategy for diverting plastic from the waste stream and preventing it from breaking down into environmental microplastics.

2021 Matéria (Rio de Janeiro) 5 citations
Article Tier 2

Utilization of plastic waste as replacement of natural aggregates in sustainable concrete: effects on mechanical and durability properties

Researchers tested concrete made with recycled polyethylene and PET plastic aggregates substituted for natural sand and gravel, finding that while plastic additions reduced compressive strength and increased water permeability, they improved impact resistance and chloride resistance, with PET concrete showing no microplastic leaching.

2023 International Journal of Environmental Science and Technology 66 citations
Article Tier 2

On the Cementitious Mixtures Reinforced with Waste Polyethylene Terephthalate

Researchers investigated the reuse of waste polyethylene terephthalate plastic as aggregate material in cement mortars and concretes. They found that incorporating PET waste into cementitious mixtures can be a viable strategy for recycling plastic while also reducing CO2 emissions from traditional aggregate mining. The study suggests that closing the life cycle of PET through construction materials could help address both plastic pollution and the environmental footprint of the building industry.

2024 Materials 12 citations
Article Tier 2

Utilization of Plastic Waste in Concrete Pavement

Researchers investigated the use of recycled high-density polyethylene (HDPE) plastic waste as an aggregate in concrete pavement mix designs, finding that incorporation of HDPE improved mechanical performance and durability while reducing landfill waste and energy consumption in the concrete sector.

2025 Processes
Article Tier 2

Pervious Pavement Blocks Made from Recycled Polyethylene Terephthalate (PET): Fabrication and Engineering Properties

Researchers developed and tested pervious pavement blocks made from recycled PET plastic waste, finding they met engineering standards for strength and permeability. The study offers a dual benefit: diverting plastic waste from landfills while creating functional construction materials that help manage urban stormwater.

2020 Sustainability 14 citations
Article Tier 2

The Impact of Recycled Polyethylene Terephthalate as Aggregate Replacement on Mechanical and Ecotoxicological Properties of Mortar

Researchers tested mortar made with recycled PET plastic replacing some of the natural aggregate and found that it maintained comparable compressive strength while passing ecotoxicity tests with plants. The study suggests that incorporating recycled plastic waste into construction materials could be a viable way to reduce plastic in landfills without creating significant environmental harm.

2025 Recycling 3 citations
Article Tier 2

Investigating the Use of Post-Consumer LDPE Waste and Stone Dust in Sustainable Concrete Composites

Researchers incorporated post-consumer LDPE plastic waste and stone dust into concrete mixes and found that these additions can maintain acceptable mechanical properties. Reusing plastic waste in construction materials diverts plastics from landfills and reduces their potential to fragment into environmental microplastics.

2023 Applied Research and Innovation 1 citations
Article Tier 2

Experimental Study of Manufacturing of Precast Paver Blocks from Local Municipal Solid Waste

Researchers investigated manufacturing precast paver blocks using local municipal solid waste plastic as a substitute for cement, aiming to reduce production costs compared to traditional concrete blocks. The experimental study evaluated the mechanical and durability properties of plastic waste-based paving blocks, demonstrating viability for sustainable construction applications in India.

2024 International Journal of Advanced Research in Science Communication and Technology
Article Tier 2

A Step towards Sustainable Concrete with Substitution of Plastic Waste in Concrete: Overview on Mechanical, Durability and Microstructure Analysis

This review evaluates the use of plastic waste as a substitute material in concrete, analyzing its effects on mechanical strength, durability, and microstructure to assess its viability as a sustainable construction approach.

2022 Crystals 174 citations
Article Tier 2

Strength Characteristics of Alkali-Activated Slag Mortars with the Addition of PET Flakes

Researchers investigated incorporating PET plastic flakes into alkali-activated slag mortars as an alternative to Portland cement, finding that PET additions affected mechanical strength in ways that depend on flake content. This approach offers a potential use for waste PET plastic while reducing cement production emissions.

2021 Materials 5 citations
Article Tier 2

Environmental Protection Through the Management of SBR and PET Waste in the Innovative Concrete Building Block APS

Researchers developed an innovative hollow concrete block (APS) incorporating recycled SBR rubber granules and PET plastic flakes, demonstrating that the design provides effective waste management for these materials while maintaining structural suitability for foundation and retaining wall construction.

2025 Archives of Metallurgy and Materials
Article Tier 2

Assessment of Plastic-Infused Concrete Bricks and Their Suitability for Interlocking: Mechanical, Durability, and Environmental Perspectives

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.

2025 European Journal of Innovative Studies and Sustainability 1 citations
Article Tier 2

Evaluating the structural performance of waste PET-infused interlocking units versus traditional stone masonry

This study is not directly about microplastics — it evaluates the compressive strength and water absorption of interlocking bricks made from waste PET plastic as a partial cement replacement in construction.

2024 Engineering and Technology Journal 2 citations
Article Tier 2

Sustainable geopolymers from polyethylene terephthalate waste and industrial by-products: a comprehensive characterisation and performance predictions

Researchers developed geopolymer bricks using recycled PET plastic waste combined with industrial by-products like rice husk ash and blast furnace slag. They found that certain formulations produced bricks with strength and durability comparable to conventional building materials. The study demonstrates a practical approach for diverting plastic waste from landfills while creating sustainable construction materials.

2024 Journal of Materials Science 31 citations
Article Tier 2

Pemanfaatan Limbah Plastik PET (Polyethylene Terephthalate) dalam Pembuatan Bata Ringan CLC (Cellular Lightweight Concrete): Studi Eksperimental

Researchers investigated the use of PET plastic waste as a partial substitute for fine aggregates in the production of cellular lightweight concrete (CLC) bricks. The experimental study analyzed the effects of PET substitution on mechanical and physical properties including compressive strength, density, and water absorption.

2025 Syntax Literate Jurnal Ilmiah Indonesia
Article Tier 2

Feasibility Study of the Use of Concrete Blocks Produced From Plastic Marine Garbage for Use in Civil Construction

Researchers investigated the feasibility of producing concrete blocks incorporating plastic waste collected from marine and coastal environments, testing blocks with varying proportions of recycled plastic as a partial aggregate replacement in civil construction applications. The study assessed the mechanical and physical properties of the resulting composite blocks, evaluating whether marine plastic garbage could be valorized as a construction material while reducing environmental plastic loads.

2022
Article Tier 2

Sustainability Performance of Voided Concrete Slab Using Waste Plastic Bottles

Researchers investigated the sustainability performance of voided concrete slabs incorporating waste plastic bottles as void formers, assessing cost reduction, embodied energy, and CO2 emissions relative to conventional solid slabs. They found that using waste plastic bottles reduced material costs and embodied energy while also lowering CO2 emissions, supporting their use as an environmentally beneficial construction approach.

2022 Civil Engineering Journal 9 citations
Article Tier 2

Environmental and Cost Advantages of Using Polyethylene Terephthalate Fibre Reinforced Concrete with Fly Ash as a Partial Cement Replacement

This study examined the environmental and cost benefits of using recycled PET plastic bottles as fiber reinforcement in concrete, combined with fly ash as a partial cement replacement. Repurposing plastic waste in construction materials could help reduce the volume of plastic entering the environment as microplastics.

2019 Open Journal of Civil Engineering 6 citations
Article Tier 2

Innovative Sustainable Concrete: Fresh and Hardened Properties Incorporating Plastic Waste

This study investigated the effects of incorporating plastic waste into concrete on mechanical and durability properties, addressing the hydrophobic nature and poor interfacial adhesion of plastic as a challenge within circular economy frameworks for construction material sustainability.

2025 Current Problems in Research
Article Tier 2

Natural Rubber Latex-Modified Concrete with PET and Crumb Rubber Aggregate Replacements for Sustainable Rigid Pavements

Researchers tested concrete mixes that replaced conventional aggregates with recycled PET plastic and crumb rubber waste, modified with natural rubber latex. The results show that waste plastic can be incorporated into road pavement concrete, offering a way to divert plastic waste from landfills while creating durable construction materials.

2023 Preprints.org 2 citations
Article Tier 2

Assessing the Performance of Melted Plastic as a Replacement for Sand in Paving Block

Researchers evaluated melted low-density polyethylene plastic waste as a substitute bonding agent for sand in paving blocks, testing compressive strength, water absorption, and wear resistance across varying plastic content ratios. Results showed that paving blocks with 10% melted LDPE met required performance standards, offering a potential pathway for incorporating plastic waste into construction materials.

2023 Advances in Technology Innovation 5 citations
Meta Analysis Tier 1

Meta-analysis on PET plastic as concrete aggregate using response surface methodology and regression analysis

This meta-analysis studies how using recycled PET plastic as an ingredient in concrete affects its strength. While not a health study, it explores a practical way to keep plastic waste out of the environment by incorporating it into building materials. Reducing plastic waste through recycling into construction materials could help lower the amount of plastic that breaks down into microplastics.

2023 Journal of Infrastructure Preservation and Resilience 18 citations
Article Tier 2

The Effect of 0.8% Polyethylene Terephthalate Plastic Waste Substitution on the Flexural Strength on K-175 Concrete

Researchers investigated substituting 0.8% polyethylene terephthalate plastic fiber waste as a partial replacement for fine aggregate in concrete, finding that PET-modified concrete achieved a 4.32% higher flexural strength compared to standard K-175 concrete.

2024 E3S Web of Conferences
Article Tier 2

Recycled Mixed Plastic Fine Aggregate in Cement Concrete

Cement concrete mixtures incorporating mixed post-consumer recycled plastic as fine aggregate were characterized, finding that an optimized blend of polymer types produced workable concrete with mechanical properties suitable for construction applications.

2024 Springer Proceedings in Materials