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Papers
61,005 resultsShowing papers similar to An Investigation into the Behavior of Disposable Face Masks in Modified Bitumen for Sustainable Transportation Pathways
ClearSustainable use of COVID-19 discarded face masks to improve the performance of stone mastic asphalt
Researchers found that incorporating shredded COVID-19 face mask waste into stone mastic asphalt improved the pavement mixture's performance, offering a dual benefit of reducing pandemic waste while enhancing road construction materials.
Repurposing the disposable face masks in hot mix asphalt: Enhancing pavement performance and addressing plastic waste pollution
Researchers investigated repurposing shredded single-use polypropylene face masks as an additive in hot mix asphalt, evaluating improvements to mechanical performance of the pavement while simultaneously addressing the surge in disposable mask waste generated during the COVID-19 pandemic.
Advanced Recycling of Modified EDPM Rubber in Bituminous Asphalt Paving
Researchers explored recycling discarded COVID-19 surgical masks by incorporating them into bituminous asphalt for road pavement. Testing showed the mask material, made from modified rubber and polypropylene, could be blended into asphalt base courses without compromising structural performance, offering a potential circular-economy approach to managing pandemic plastic waste.
Influence of COVID-19 Face Mask Additives on the High-Temperature and Fatigue Performance of Asphalt Binder
This engineering study tested whether shredded disposable face masks could be used as additives in road asphalt. Adding 5% mask material modestly improved fatigue life, but higher percentages reduced it, suggesting limited but possible applications for recycling mask waste into road materials.
Infrastructure in the Age of Pandemics: Utilizing Polypropylene-Based Mask Waste for Durable and Sustainable Road Pavements
Researchers investigated sterilized shredded polypropylene mask residues (SMR) from pandemic-era disposable masks as modifiers for asphalt pavement, testing SMR additions at 3, 6, and 9 weight percent using thin-layer chromatography, flame ionization detection, and other advanced characterization methods. The study found that SMR-modified asphalt exhibited improved durability and mechanical properties, offering a sustainable strategy for diverting mask waste into road infrastructure.
Evaluating the cost of collection, processing, and application of face masks in hot-mix asphalt (HMA) pavements
Researchers calculated the full costs of collecting, shredding, and incorporating waste COVID-19 face masks into road asphalt, finding that while initial costs are similar to conventional pavement for shorter roads, mask-modified asphalt saves about 29% in maintenance costs over a 40-year lifespan due to improved durability.
Recycling of Polymer Components From Waste Face Masks for Asphalt Modification: A Mini Review
Polymer components recovered from waste face masks (a major source of plastic waste since the COVID-19 pandemic) were recycled and incorporated into new materials. The study supports developing circular recycling pathways for the large volume of disposable mask plastic that otherwise risks fragmenting into microplastics.
Effect of Waste Mask Fabric Scraps on Strength and Moisture Susceptibility of Asphalt Mixture with Nano-Carbon-Modified Filler
Researchers tested the effects of incorporating waste mask fabric scraps and nano-carbon-modified filler into hot mix asphalt mixtures at 0.3% and 0.5% by weight. The combined additions improved tensile strength and fatigue resistance while offering a constructive disposal pathway for pandemic-era mask waste.
A Safe Collection Process of Covid-19 Disposable Face Masks for the Applications in Asphalt Pavements
This study developed a theoretical collection and processing pathway for disposable COVID-19 face masks to enable their use as a material in asphalt pavement. The pandemic generated massive quantities of mask waste, which contains polypropylene microplastics; the proposed approach offers a way to divert this waste from landfills while making use of its material properties.
Reutilizing Single-Use Surgical Face Masks to Improve the Mechanical Properties of Concrete: A Feasibility Study
Researchers investigated reutilizing single-use surgical face masks as a material to improve the mechanical properties of construction or composite materials. The study demonstrates a potential upcycling pathway for pandemic-generated mask waste, converting a pollution problem into a resource.
Dynamic-Mechanic Analysis and Rheological Modelling of Waste Face Mask Modified Bitumen
Researchers added waste face mask (WFM) material at concentrations of 1-3% to bitumen and characterized the rheological behavior of the modified bitumen using dynamic shear rheometer frequency sweep tests across multiple temperatures and loading rates. The study provided a detailed viscoelastic characterization of WFM-modified bitumen as a potential recycling pathway for the large volumes of disposable masks generated during the COVID-19 pandemic.
Face Mask Wastes as Cementitious Materials: A Possible Solution to a Big Concern
Researchers investigated the use of waste surgical masks as a cementitious additive in mortars without pretreatment, addressing the dual problem of pandemic-era mask waste and microplastic contamination. The study evaluated the mechanical and environmental performance of mortars incorporating mask materials as part of circular economy waste management.
Preparation and Performance of Bitumen Modified by Melt-Blown Fabric of Waste Mask Based on Grey Relational and Radar Chart Analysis
The melt-blown fabric from waste face masks was used to modify virgin bitumen for road engineering applications, with physical and rheological properties measured to assess performance. Radar chart analysis quantitatively evaluated modification effects, finding that waste mask materials can improve bitumen properties and reduce plastic waste simultaneously.
Innovative Use of Single-Use Face Mask Fibers for the Production of a Sustainable Cement Mortar
Researchers recycled disposable face masks into polypropylene fibers and added them to cement mortar, finding that small amounts improved the mortar's strength and crack resistance. The recycling process included full disinfection of the mask material before processing. This approach could help address the massive waste from single-use masks while creating a useful construction material, turning pandemic waste into a resource.
Incorporation of Disposed Face Mask to Cement Mortar Material: An Insight into the Dynamic Mechanical Properties
Researchers incorporated shredded waste face masks into cement mortar mixes at varying proportions, evaluating the mechanical and durability properties of the resulting composite. Adding mask material at low proportions reduced compressive strength moderately but improved energy absorption, suggesting face mask waste could be valorized as a construction material additive.
Effective recycling of disposable medical face masks for sustainable green concrete via a new fiber hybridization technique
Researchers recycled disposable medical face masks by shredding them into fibers and hybridizing them with basalt fibers in recycled aggregate concrete, finding that the combined fiber approach improved compressive strength by 12%, tensile strength by 26%, and flexural strength by 60% compared to unmodified concrete — meeting structural requirements while diverting mask waste from landfills.
Unsur Senyawa Kimia Dari Limbah Masker Medis Untuk Meningkatkan Kinerja Campuran Aspal
This Indonesian literature review examines chemical components in medical face mask waste, particularly polypropylene and silica, and their potential as additives in asphalt mixtures. The dominant silicon content (59%) could improve asphalt resistance to rutting and increase fatigue life when mask waste is incorporated as an additive.
Green Recycling and Long-Term Immobilization of Disposable Medical Masks for Enhanced Mechanical Performance of Self-Compacting Recycled Concrete
Researchers proposed an eco-friendly strategy to repurpose discarded COVID-era medical masks as fiber reinforcement in self-compacting recycled aggregate concrete. Mask-derived polypropylene fibers improved tensile strength and reduced brittleness while providing an environmentally responsible disposal route for pandemic plastic waste.
Use of Waste Plastic as a Replacement for Bitumen in Road Construction
This review examines methods for incorporating waste plastic into road construction as an alternative to virgin bitumen and aggregates. Techniques like plastic-coated aggregates and plastic-modified bitumen improved road durability and weather resistance while diverting plastic from landfills. The approach offers a dual benefit of reducing plastic waste accumulation and decreasing the environmental impact of road construction.
Evaluating Effectiveness of Multi-Component Waste Plastic Bags on Bitumen Properties: Physical, Rheological, and Aging
Researchers characterized waste plastic bag samples dominated by low-density and linear low-density polyethylene and tested their performance as bitumen modifiers, finding they improved rutting resistance by one performance grade. The study evaluates a practical route for valorizing plastic waste in road construction materials.
Property assessment of an eco-friendly mortar reinforced with recycled mask fiber derived from COVID-19 single-use face masks
Researchers developed an eco-friendly mortar reinforced with recycled polypropylene fibers from COVID-19 single-use face masks, demonstrating a practical approach to repurposing pandemic waste while reducing environmental microplastic contamination.
Optimization of COVID-19 face mask waste fibers and silica fume as a balanced mechanical ameliorator of fat clay using response surface methodology
Researchers used response surface methodology to optimize a blend of shredded face mask waste and silica fume for stabilizing fat clay soils, finding that 7.9% silica fume and 1.2% mask fibers maximized both strength and ductility while avoiding roughly 79 tonnes of CO2 emissions per kilometer of treated road subgrade.
Enhancing Concrete Strength with Recycled Disposable Face Mask Fibers: A Novel Approach to Sustainable Construction
Researchers developed a novel method to recycle disposable face masks (DFMs) from the COVID-19 pandemic by converting them into reinforcing fibers for concrete, addressing both medical plastic waste accumulation and microplastic pollution risks from discarded masks. The recycled mask fibers, added to concrete mixtures after a preliminary treatment process, were found to enhance the structural strength properties of the resulting composite material.
Production and Characterization of Waste Mask Reinforced Polyester Composite
Researchers produced and characterized polyester composites reinforced with ground waste COVID-19 masks at 0-10% by mass, finding that increasing mask content decreased density and Shore D hardness while raising porosity, thermal conductivity, and activation energy.