Rheological and morphological evaluation of nanoclay modified asphalt binder

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dc.authorid0000-0001-8328-5328en_US
dc.contributor.authorYılmaz, Bahadır
dc.contributor.authorGürbüz H., Ebru
dc.date.accessioned2022-01-04T12:15:12Z
dc.date.available2022-01-04T12:15:12Z
dc.date.issued2021en_US
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.description.abstractThe performance characteristics of asphalt can be improved by using nanomaterials. In this study, the effect of nanoclay as an additive on the performance features of the asphalt binder was assessed; this nanoclay was produced from montmorillonite modified with organic compounds and hexadecyltrimethylammonium bromide additive. The structural properties of the additive were investigated using X-ray diffraction analysis. The morphological structure and modification mechanism of modified asphalt binders formed by adding the nanoclay to the asphalt were determined by two analyses namely scanning electron microscopy and Fourier transform infrared spectroscopy, respectively. In addition, differential scanning calorimetry analysis was used in order to investigate the thermal properties of the additive and modified asphalt binders. The rheological and physical properties of the modified asphalt were measured using penetration, ductility, softening point, dynamic shear rheometer, rotational viscometer, rolling thin film oven test, and pressure-aging vessel. The results indicated that the additive increased the asphalt's consistency rutting, and short-term aging resistance, and decreased fatigue resistance after long-term aging. In addition, the optimal additive concentration to enhance the performance features of the asphalt binder was found to be 8% based on the experimental data.en_US
dc.identifier.doi10.1016/j.conbuildmat.2021.125479en_US
dc.identifier.issn09500618
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://hdl.handle.net/20.500.12885/1780
dc.identifier.volume33en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorBahadır, Yılmaz
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofConstruction and Building Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectModified asphalten_US
dc.subjectNanoclayen_US
dc.subjectOrgano-montmorilloniteen_US
dc.subjectRheologyen_US
dc.subjectSuperpaveen_US
dc.titleRheological and morphological evaluation of nanoclay modified asphalt binderen_US
dc.typeArticleen_US

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