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61,005 resultsShowing papers similar to Geopolymer-based techniques for stabilization of microplastic contaminated expansive soil
ClearMicroplastic Contamination in Soils: A Review from Geotechnical Engineering View
Researchers reviewed microplastic contamination in soils from a geotechnical engineering perspective, examining how plastic degradation leads to widespread soil contamination. They identified landfills and various geotechnical applications such as tire chip fills and polystyrene lightweight fills as potential sources of microplastic pollution in soils. The review highlights the need for geotechnical engineers to consider the long-term effects of microplastic contamination on soil properties and groundwater quality.
Geotechnical Implications of Microplastics: A Review of Their Effects on Soil Mechanical Parameters
This review compiled and analyzed findings from previous studies on how microplastics affect soil mechanical parameters — including compressibility, permeability, shear strength, settlement, and slope stability — concluding that microplastic contamination can substantially alter geotechnical soil behavior with implications for engineering and construction.
Geotechnical Implications of Microplastics: A Review of Their Effects on Soil Mechanical Parameters
This review compiled and analyzed findings from previous studies on how microplastics affect soil mechanical parameters — including compressibility, permeability, shear strength, settlement, and slope stability — concluding that microplastic contamination can substantially alter geotechnical soil behavior with implications for engineering and construction.
Microplastics in soils: an environmental geotechnics perspective
This geotechnical engineering perspective reviewed microplastic contamination in soils and the terrestrial subsurface, examining how MPs alter soil mechanical properties — including shear strength, hydraulic conductivity, and compressibility — and arguing that geotechnical impacts have been underappreciated in environmental assessments.
Effect of low-density polyethylene, polyvinyl chloride, and high-density polyethylene micro-plastic contamination on the index and engineering properties of clayey soil- an experimental study
Researchers examined how low-density polyethylene, polyvinyl chloride, and high-density polyethylene microplastics affect the index and engineering properties of clayey soil, finding that microplastic contamination alters soil behavior relevant to geotechnical engineering.
The Growing Problem of Soil Pollution with Microplastics: a Review
This review examined how microplastic accumulation in soil disrupts physicochemical properties including structure, porosity, and water retention, impairs soil microbial communities, inhibits plant growth, and causes oxidative stress, with agricultural soils identified as especially vulnerable to contamination.
Impact of microplastic pollution in terrestrial ecosystem on index and engineering properties of sandy soil: An experimental investigation
Researchers tested how different concentrations of three common plastic types affect the physical and engineering properties of sandy soil. They found that increasing microplastic contamination significantly altered soil characteristics including liquid limit, plasticity, compaction, and shear strength. The findings suggest that microplastic pollution in the ground could potentially compromise the structural stability of soil used in construction and land management.
Impact of microplastics on strength parameters of clayey, Sandy, silty soil: A comparative assessment
Researchers conducted a comparative study examining how three types of microplastics at different concentrations affect the strength properties of sandy, silty, and clayey soils over a 30-day period. They found that LDPE, HDPE, and PVC contamination at environmentally relevant levels altered key soil properties including moisture content, density, and shear strength. The study highlights that microplastic pollution could compromise soil structural integrity, with implications for construction and geotechnical engineering.
Contaminant containment for sustainable remediation of persistent contaminants in soil and groundwater
This review examines different strategies for containing persistent contaminants in soil and groundwater, including physical barriers, chemical stabilization, and plant-based methods. While focused broadly on contamination cleanup, these containment approaches are relevant to microplastic pollution because they can help prevent plastic particles and the toxic chemicals they carry from spreading through soil and into water supplies.
Strain-Dependent Effects of Microplastic Contamination on the Strength and Modulus of Kaolin Clay
When wildfires burn plastic materials near cities, they create tiny plastic particles called microplastics that settle into soil with the ash. Scientists found that when these microplastics mix with clay soil, they change how strong and stiff the soil is, which could affect building foundations and construction safety. This matters because wildfires are becoming more common, potentially making contaminated soil a bigger problem for communities rebuilding after fires.
Biochar mitigates microplastic‐induced destabilization of soil organic carbon via molecular recalcitrance and microbial process regulation
Biochar amendments to soil were shown to offset the destabilizing effects that microplastics have on soil aggregate structure. The finding suggests that biochar could be a practical soil amendment to counteract microplastic-driven soil degradation in contaminated agricultural lands.
Soil Microplastic Pollution and its Remediation: An Overview
This overview reviews the scope of microplastic pollution in soils globally, summarizing contamination sources, effects on soil ecosystems, and available remediation strategies including physical, chemical, and biological approaches to address this emerging environmental problem.
Role of Biochar and Microbes in Remediation of Microplastics in Soil
This review examines how biochar and soil microbes can be combined to remediate microplastic-contaminated soils, synthesizing evidence for biochar's adsorption capacity and microbial degradation pathways that reduce microplastic persistence and toxicity.
Effects of microplastic contamination on the hydraulic, water retention, and desiccation crack properties of a natural clay exposed to leachate
Researchers examined how microplastic contamination affects the physical properties of natural clay soil exposed to landfill leachate. They found that microplastics significantly increased the soil's water permeability, reduced its water retention capacity, and altered desiccation cracking patterns. The findings suggest that microplastic pollution could compromise the integrity of clay barriers used in landfill liners and other engineering applications.
Strength Characteristics of Clay Soil Reinforced with Natural Fibers
Not relevant to microplastics — this study examines the mechanical properties of clay soil reinforced with natural plant fibers for geotechnical engineering applications.
Recent advances on ecological effects of microplastics on soil environment
This review summarizes recent advances in understanding the ecological effects of microplastics on soil environments. Researchers found that soils serve as major sinks for microplastics, which can alter soil properties, affect plant growth, disrupt soil microbial communities, and interact with other pollutants. The study highlights that terrestrial microplastic pollution may be even more pervasive than aquatic contamination and warrants greater research attention.
Microplastics accumulation in agricultural soil: Evidence for the presence, potential effects, extraction, and current bioremediation approaches
This review examines the accumulation of microplastics in agricultural soils from sources like plastic mulching and irrigation, discussing their effects on soil properties and crop growth, along with current bioremediation approaches for removing soil microplastics.
Applications of biochar in the remediation of soil microplastic pollution: A review
Researchers reviewed the use of biochar as a tool for remediating microplastic-contaminated soil. The study found that biochar application shows promise for addressing soil microplastic pollution by altering soil properties in ways that can reduce microplastic mobility and mitigate their negative effects on soil structure, plant growth, and biogeochemical cycling.
Research advances on microplastics contamination in terrestrial geoenvironment: A review
This review summarizes a decade of research on microplastic contamination in terrestrial environments, including soils, landfills, and groundwater. Microplastics alter soil properties like density, porosity, and water retention, and their chemical additives can cause secondary contamination as they leach out. The review highlights that microplastics in soil can enter groundwater and be carried by wind, creating pathways for these pollutants to reach humans through food crops and drinking water.
Impact of Microplastics on Soil Health: Soil-Water Retention, Shrinkage and Holding Properties
A review of research on microplastics in soil found that plastic particles can alter water retention, shrinkage, and structural properties in ways that could reduce agricultural productivity. Because microplastics are as prevalent in soils as in oceans, their terrestrial impacts warrant much greater research attention.
Paving the way toward soil safety and health: current status, challenges, and potential solutions
This review examines the global threats to soil health from industrial chemical contamination and explores potential solutions including monitoring, advanced remediation technologies, and holistic soil management. While covering soil pollution broadly, it is relevant to microplastics because they are a major and growing soil contaminant that is extremely difficult to remove once introduced. The review emphasizes that preventing pollutants from entering soil is far more effective and less costly than trying to clean up contamination afterward.
Distribution and dynamics of microplastics in soils
This doctoral research mapped how microplastics are distributed and transported through soils, examining how soil properties like texture and organic matter influence their accumulation, breakdown, and mobility into groundwater. Because soils are both a major sink and a transfer medium for microplastics, this work helps build the foundation needed for assessing contamination risks to agriculture and drinking water.
Innovative Solutions for Soil Remediation from Microplastics Pollution
This book chapter surveys innovative remediation approaches for removing microplastics from contaminated soils, covering physical, chemical, and biological methods as well as novel technologies including nanomaterial-based adsorbents and electrochemical systems.
Microplastics sequestered in the soil affect the turnover and stability of soil aggregates: A review
This review examines how microplastics trapped in soil affect the structure and stability of soil clumps (aggregates) that are essential for healthy farming. Microplastics create weak points in soil structure and alter its physical and chemical properties, which can reduce soil's ability to hold water and support plant growth. Since healthy soil aggregates are the foundation of productive farmland, microplastic contamination could threaten food production over the long term.