Experimental investigation of the effect of landfill leachate on the mechanical and cracking behavior of polypropylene fiber-reinforced compacted clay liner

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dc.authoridVakili, Amir Hossein/0000-0001-8920-172X
dc.authoridHomaee, Mehdi/0000-0003-2493-7407
dc.authoridSalimi, Mahdi/0000-0003-0859-7326
dc.authoridKarimi, Amirhossein/0000-0001-8752-8753
dc.contributor.authorFalamaki, Amin
dc.contributor.authorSalimi, Mahdi
dc.contributor.authorVakili, Amir Hossein
dc.contributor.authorHomaee, Mehdi
dc.contributor.authorAryanpour, Marzieh
dc.contributor.authorSabokbari, Maryam
dc.contributor.authorDehghani, Reza
dc.date.accessioned2024-09-29T15:51:27Z
dc.date.available2024-09-29T15:51:27Z
dc.date.issued2023
dc.departmentKarabük Üniversitesien_US
dc.description.abstractThis paper aims to investigate the effect of leachate on the geotechnical parameters and the cracking behavior of compacted clay liners (CCLs) containing different percentages of polypropylene fibers. Accordingly, 200 compacted clay samples were reinforced with different percentages of fiber contents (FC) (i.e., 0, 0.5, 0.75, and 1%) and prepared with water or leachate to conduct different laboratory tests. First, the physical properties of the clay were determined. Then, the shear strength parameters (i.e., cohesion and friction angle), unconfined compressive strength, and the hydraulic permeability were determined subjected to water or leachate. Notably, the cracking behavior was modeled using visual images of the samples. The leachate increased desiccation cracks in the natural soil from 0.425 to nearly 1.111%. However, the addition of 0.5% (in the case of water) and 1% (in the case of leachate) fiber to the soil reduced the surface desiccation cracks in clay liners to about 0.185 and 0.352%, respectively. In both water- or leachate-prepared samples, the addition of fibers significantly increased the cohesion and friction angle. The shear strengths of the unreinforced leachate-prepared samples were lower than those of the water-prepared samples. The shear strength and unconfined compressive strength of all specimens increased with increasing fiber percentage. The presence of fibers in all samples caused more ductile behavior. The required amount of energy to achieve the maximum strength in the samples increased with increasing FC. By increasing the percentage of fibers, the permeability of the natural soil and the leachate-prepared samples increased. However, the highest permeability was observed in the leachate-prepared samples containing 1% fibers of 8.3 x 10(-10) m/s, which is less than 10(-9) m/s (maximum allowable permeability for clay liners). Finally, the obtained results were satisfactorily confirmed by scanning electron microscopy (SEM) analysis.en_US
dc.identifier.doi10.1007/s11356-023-27512-1
dc.identifier.endpage77534en_US
dc.identifier.issn0944-1344
dc.identifier.issn1614-7499
dc.identifier.issue31en_US
dc.identifier.pmid37256403en_US
dc.identifier.scopus2-s2.0-85160714912en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage77517en_US
dc.identifier.urihttps://doi.org/10.1007/s11356-023-27512-1
dc.identifier.urihttps://hdl.handle.net/20.500.14619/4083
dc.identifier.volume30en_US
dc.identifier.wosWOS:001000223000006en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringer Heidelbergen_US
dc.relation.ispartofEnvironmental Science and Pollution Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCompacted clay lineren_US
dc.subjectPolypropylene fibersen_US
dc.subjectLeachateen_US
dc.subjectShear strengthen_US
dc.subjectPermeabilityen_US
dc.subjectCrackingen_US
dc.titleExperimental investigation of the effect of landfill leachate on the mechanical and cracking behavior of polypropylene fiber-reinforced compacted clay lineren_US
dc.typeArticleen_US

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