Papers

61,005 results
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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

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

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

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

Integrating Plastic Waste into Concrete: Sustainable Solutions for the Environment

This review examines research on incorporating plastic waste into concrete as a partial replacement for conventional aggregates and cement. Researchers found that adding recycled plastic can reduce concrete density and improve thermal insulation properties, though it generally decreases compressive strength at higher replacement ratios. The study suggests that optimizing plastic content and treatment methods could make this approach a viable strategy for diverting plastic waste from landfills.

2024 Materials 15 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

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

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

Experimental Tests on Lightweight Cement Mortar and Concrete with Recycled Plastic Wastes

This paper is not relevant to microplastics research — it tests the mechanical properties of cement mortar and concrete incorporating recycled plastic waste granules as aggregate substitutes, a construction materials engineering study.

2023 Buildings 6 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

Investigation of Mechanical and Thermal Performance of Nanoclay Modified Concrete for Energy Efficiency

Not relevant to microplastics — this paper reviews how adding nanoclay modifies the mechanical and thermal properties of concrete, focusing on fire resistance, thermal conductivity, and structural performance in construction.

2023 Annales de Chimie Science des Matériaux 8 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

Mechanical and Microstructural Investigation of Geopolymer Concrete Incorporating Recycled Waste Plastic Aggregate

This study investigated incorporating recycled waste plastic aggregate into geopolymer concrete, finding that it can produce structurally viable construction materials while diverting plastic waste from landfill and reducing reliance on virgin aggregates.

2024 Materials 9 citations
Article Tier 2

Potential improvement in the mechanical performance and thermal resistance of geopolymer with appropriate microplastic incorporation: A sustainable solution for recycling and reusing microplastics

Researchers tested whether microplastics of various sizes could be incorporated into geopolymer, a cement-like construction material, as a way to recycle plastic waste. Adding small amounts of microplastics actually improved the material's strength and heat resistance up to 400 degrees Celsius. This approach offers a potential solution for trapping microplastics in building materials rather than letting them pollute the environment and threaten human health.

2024 Waste Management 13 citations
Article Tier 2

A critical review of the current progress of plastic waste recycling technology in structural materials

Researchers reviewed technologies for recycling plastic waste into construction materials such as concrete and asphalt, finding this approach can meaningfully reduce the environmental burden of plastic pollution. Incorporating plastic waste into building materials offers a practical path toward both waste reduction and more sustainable construction.

2023 Current Opinion in Green and Sustainable Chemistry 210 citations
Article Tier 2

Recycling/reuse of plastic waste as construction material for sustainable development: a review

Researchers reviewed how waste plastic can be incorporated into construction materials — as binders, aggregates, or cement substitutes in bricks, tiles, concrete, and roads — finding that plastic-modified materials often show competitive strength properties while simultaneously diverting plastic waste from landfills.

2021 Environmental Science and Pollution Research 264 citations
Article Tier 2

Second Life for Plastic Fibre Waste Difficult to Recover: Partial Replacement of the Binder in Asphalt Concrete Mixtures by Dry Incorporation

Researchers found that incorporating waste plastic fibers from municipal solid waste into asphalt concrete as a partial bitumen replacement improved resistance to plastic deformation and mechanical performance, with results approaching those of polymer-modified bitumen mixtures while improving material sustainability.

2023 Materials 7 citations
Article Tier 2

Database Study on the Sustainability Assessment of Plastic Waste Utilization in Concrete: Towards the Development of Sustainable Waste Management Route

Researchers compiled a database of 635 data points from the literature on concrete incorporating polypropylene and polyethylene terephthalate waste plastics, finding that plastic substitution — especially when combined with pozzolanic materials — can substantially reduce global warming potential and other environmental impact indices.

2023 OpenMETU (Middle East Technical University)
Article Tier 2

Performance Characterization and Evaluation of Innovative Cement Mortars and Concretes Made with Recycled EPS

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.

2024 Applied Sciences 3 citations
Article Tier 2

Repurposing Single-Use Plastic Waste as Artificial Aggregates Partially Replacing the Natural Fine Aggregate in Concrete — A Review

This review examines how single-use plastic waste can be repurposed as aggregate material in concrete mixtures, replacing natural sand. Analyzing 135 studies, it finds that recycled plastic aggregates can affect concrete mechanical properties while diverting plastic waste from landfills and oceans.

2023 Materials Plus 1 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
Article Tier 2

Sustainable development goals for industry, innovation, and infrastructure: demolition waste incorporated with nanoplastic waste enhanced the physicomechanical properties of white cement paste composites

Researchers tested whether adding nanoplastic waste (tiny plastic particles) alongside ultrafine demolition rubble as partial substitutes in white cement could improve its physical properties. The combination enhanced mechanical strength and durability, suggesting that nanoplastic waste from pandemic-era PPE could be repurposed as a construction material additive rather than polluting soils and waterways.

2023 Applied Nanoscience 72 citations
Article Tier 2

Performance of recycled Bakelite plastic waste as eco-friendly aggregate in the concrete beams

Researchers tested concrete mixtures containing recycled Bakelite plastic waste as a partial substitute for stone aggregate, finding that adding up to 10% Bakelite generally reduced strength but prevented sudden cracking during failure. While this offers a way to divert hard-to-recycle plastic from landfills — where it would otherwise slowly break down into microplastics — the strength trade-offs must be carefully managed in structural applications.

2023 Case Studies in Construction Materials 26 citations
Article Tier 2

Laboratory Study of Physical and Thermal Properties of Concrete Mixed with Bakelite

This laboratory study tested the physical and thermal properties of concrete blocks made by partially replacing aggregate with Bakelite plastic waste. The research aims to find useful applications for waste plastic in construction materials, which could divert plastic from landfills and reduce environmental contamination.

2023 International Journal of Geomate 2 citations