Experimental study demonstrates enhanced shear and mechanical resistance in clay soil treated with waste polyamide powder, suggesting a viable method for soil stabilization.
The presence of clay soil causes problems at the base of the structure: it swells when wet and shrinks when dry, which provides a reduction in the resistance to cutting of the soil. Plastic waste in the form of polyamide powder (PA-12) from the 3D printing industry can be used to improve the mechanical properties of the soil. This experimental study is an attempt to combine these two objectives of stabilizing the soil by using waste PA-12. The mechanical and shear resistant properties gave us confidence in choosing PA-12 as a stabilizer in clay soils, making them composite soils.
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Sivapriya et al. (2021) studied this question.
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