Influence of Acetic Acid on Structural Change and Shear Strength of Clays

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dc.contributor.authorOlgun, M.
dc.contributor.authorYildiz, M.
dc.date.accessioned2020-03-26T18:30:43Z
dc.date.available2020-03-26T18:30:43Z
dc.date.issued2012
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThis paper presents shear strength test results and structural changes in clay soils with acetic acid. Two different clay soils were used, kaolinite and another containing montmorillonite with a mixed mineralogy, while pure water and various contents of acetic acid (20%, 40%, 60% and 80%) were used as pore fluids. Clay-pore fluid slurries prepared with a water content of twice the liquid limit of each acetic acid content were consolidated under a 100 kPa pre-consolidation pressure. Direct shear tests were conducted on samples taken from pre-consolidated mixtures in order to determine changes in shear strength. Additionally, optical microscope images and scanning electron photomicrographs were obtained in order to observe structural changes under the influence of acetic acid. According to the experimental results, significant increases occurred in peak shear strength and shear strength parameter values in both clays in parallel with increasing acetic acid content. These increases were higher in the clay with montmorillonite; in particular, there were substantial changes in the internal friction angle. Increasing liquid limit values with increasing acetic acid contents in kaolinite resulted in a substantial decrease in the other clay. The optical microscope images and scanning electron photomicrographs indicated that lumpy formations occurred in both clays with the addition of acetic acid, and their structures began to resemble that of a silt and fine sand form.en_US
dc.description.sponsorshipSelcuk UniversitySelcuk University [40]en_US
dc.description.sponsorshipThis study is a part of a Ph. D. Thesis Study of Murat Olgun named "The investigation of shear strength and consolidation behaviors of clay soils consolidated with chemicals of various concentrations" and is supported by Selcuk University Scientific Investigation Projects Directorate [40].en_US
dc.identifier.citationOlgun, M., Yildiz, M., (2012). Influence of Acetic Acid on Structural Change and Shear Strength of Clays. Iranian Journal of Science and Technology-Transactions of Civil Engineering, 36(1), 25-38.
dc.identifier.endpage38en_US
dc.identifier.issn2228-6160en_US
dc.identifier.issn2364-1843en_US
dc.identifier.issueC1en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage25en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/28139
dc.identifier.volume36en_US
dc.identifier.wosWOS:000301905600003en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorOlgun, M.
dc.institutionauthorYildiz, M.
dc.language.isoenen_US
dc.publisherSpringer International Publishing Agen_US
dc.relation.ispartofIranian Journal of Science and Technology-Transactions of Civil Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectClayen_US
dc.subjectacetic aciden_US
dc.subjectshear strengthen_US
dc.subjectkaoliniteen_US
dc.subjectmontmorilloniteen_US
dc.titleInfluence of Acetic Acid on Structural Change and Shear Strength of Claysen_US
dc.typeArticleen_US

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