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Expansive Soils Stabilized with Recycled Polypropylene Fibers: An Assessment Based on Laboratory and Life Cycle Data for Mechanical and Environmental Performance
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This study demonstrates that recycled polypropylene fibers can effectively stabilize expansive clayey soils, with laboratory tests showing improved strength and reduced swelling, while life cycle assessment confirmed lower environmental impact compared to traditional soil stabilization methods.
This study explores the use of recycled polypropylene fibers as sustainable reinforcement materials for stabilizing expansive clayey soils. Laboratory testing revealed that the optimal fiber combinations enhanced ductility, post-peak behavior, strength, and swelling properties. A cradle-to-grave life cycle assessment (LCA) also showed the environmental advantages of fiber-reinforced soil over traditional methods. The results suggest that incorporating recycled fibers into soil stabilization techniques can improve performance and promote sustainability in civil engineering applications.
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Sustainable Stabilisation of Expansive Clay with Shredded PET Fibers: Multi-Scale Performance and Microstructural Analysis
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Researchers incorporated recycled PET fibers into expansive clay soil at dosages up to 1.2% by weight and found that 1.0% PET content increased unconfined compressive strength by 37%, more than doubled soaked bearing capacity, and reduced swelling by 15%, offering a lower-carbon alternative to conventional cement-based stabilization.
Comprehensive Review of Geotechnical Engineering Properties of Recycled Polyethylene Terephthalate Fibers and Strips for Soil Stabilization
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This review synthesizes research on using recycled PET plastic fibers and strips as soil reinforcement in geotechnical engineering, finding that PET additions consistently improve shear strength, bearing capacity, and settlement resistance, while offering an environmentally beneficial second life for one of the most widely discarded plastic types.
Investigating the Resilience of Fiber-Reinforced Clay Under Freeze–Thaw Cycles
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Polypropylene fiber reinforcement reduced freeze-thaw strength loss in high-plasticity clay by 67% compared to unreinforced samples and cut frost heave by 30%. This application of plastic fibers in civil engineering contributes to the growing stock of synthetic polymers in soil environments, which can fragment over time into microplastic particles.
Experimental Study on Expansive Soil Stabilization Using Biostimulation and Recycled Sanitary Napkin Fiber Reinforcement
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Researchers found a clever way to recycle used sanitary napkins—turning them into fibers that, combined with natural soil bacteria, make unstable, crack-prone soil much stronger and less likely to shift with moisture. This matters because it tackles two problems at once: reducing pollution from sanitary waste (which often ends up in landfills or gets burned, releasing harmful particles into air and water) and creating safer ground for building roads and homes in areas with problem soils.
Construction And Demolition Waste Used in Stabilization of Expansive Soil in Road Subgrades- A Review
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Researchers review studies on stabilizing expansive clay soils with construction and demolition waste—including brick powder, crushed concrete, and plastic waste—finding consistent improvements in California Bearing Ratio and unconfined compressive strength that make treated soils suitable for road subgrades while diverting waste from landfills.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.