Papers

61,005 results
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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

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

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

Enhancing High-Performance Concrete with Waste Rubber Tyre Aggregates: A Sustainable Approach

Researchers investigated the mechanical properties and sustainability performance of high-performance concrete incorporating waste rubber tyre aggregates, finding that rubber additions improve toughness and reduce environmental impact while meeting structural performance requirements.

2024 International Journal of Civil Engineering
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

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

This paper is not relevant to microplastics research — it investigates the mechanical and durability properties of concrete modified with natural rubber latex and waste PET and crumb rubber aggregates as construction materials.

2023 Sustainability 9 citations
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

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

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

Investigating the Viability of Recycling Rice Husk Ash and Plastic Bag Waste to Enhance Durability of Lightweight Concrete

Researchers investigated using recycled rice husk ash and plastic bag waste to enhance durability of lightweight concrete, finding that these waste materials improved certain mechanical and durability properties while reducing environmental impact of construction.

2023 Buildings 6 citations
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

Assessment of Concrete Hollow Blocks Incorporating Polyethylene Terephthalate (PRT) and Copper Slag as a Commercial Concrete Alternative

Researchers assessed the structural performance of concrete hollow blocks incorporating polyethylene terephthalate (PET) waste and copper slag as partial replacements for conventional materials, evaluating durability and sustainability metrics. The study demonstrates that PET-inclusive concrete composites can meet performance standards while diverting plastic waste from landfills.

2024
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

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
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

Performance Study of Sustainable Concrete Containing Recycled Aggregates from Non-Selected Construction and Demolition Waste

Researchers investigated the mechanical performance of sustainable concrete made with recycled aggregates from non-selected construction and demolition waste in Iran. The study evaluates how incorporating waste materials into concrete production can reduce construction debris in landfills while maintaining acceptable structural performance.

2024 Sustainability 13 citations
Article Tier 2

Repurposing polyethylene terephthalate (PET) waste as an antibacterial packaging material

Researchers repurposed PET plastic waste by integrating antimicrobial agents during reprocessing, creating antibacterial packaging material from recycled PET that inhibits bacterial growth — demonstrating a circular economy approach that adds functional value to plastic waste.

2025 MRS Communications 2 citations
Article Tier 2

Investigating the Mechanical and Thermal Properties of Concrete with Recycled Nanoplastics for Enhanced Sustainability

Researchers investigated the effects of incorporating recycled nanoplastics into concrete mixtures, evaluating the impact on mechanical properties including tensile, compressive, and splitting strength as well as thermal stability and insulation, framing nanoplastic waste as a potentially beneficial construction material additive.

2023 Annales de Chimie Science des Matériaux 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

Eco-friendly Concrete Using Waste Plastic Bottles as Aggregate: A Case Study from Oman

This Omani study tested concrete made with waste plastic PET bottles as a partial replacement for fine aggregate. Adding recycled plastic to concrete is a promising strategy to divert plastic waste from the environment, and the study found acceptable mechanical performance for non-structural applications.

2023 International conference on civil infrastructure and construction/Proceedings of the ... International conference on civil infrastructure and construction 2 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

Characteristics of Recycled Polypropylene Fibers as an Addition to Concrete Fabrication Based on Portland Cement

Researchers investigated the mechanical properties of concrete reinforced with recycled polypropylene fibers from plastic packaging, finding that 1.0% fiber content produced dramatic improvements including up to 69.7% higher compressive strength and 276% higher flexural strength compared to unreinforced concrete.

2020 Materials 95 citations
Review Tier 2

Waste Plastic and Rubber in Concrete and Cement Mortar: A Tertiary Literature Review

This review synthesized tertiary literature on using waste plastic and rubber in concrete and cement mortar, finding that while these recycled materials offer environmental benefits, they generally reduce mechanical strength and require careful optimization.

2023 Sustainability 8 citations