Combining polymers and additives for sustainable asphalt binder performance

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dc.contributor.authorAydin, Hakan
dc.contributor.authorYalcin, Erkut
dc.contributor.authorYilmaz, Mehmet
dc.contributor.authorOzdemir, Ahmet Munir
dc.contributor.authorAlatas, Taner
dc.date.accessioned2026-02-08T15:15:11Z
dc.date.available2026-02-08T15:15:11Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThe viscoelastic and thermoplastic nature of bituminous materials makes them highly sensitive to factors such as temperature changes, extreme and repeated loading, and UV radiation. To prevent this sensitivity from causing significant structural problems, bitumen must exhibit behavior characterized by desirable properties. The most common method to achieve this is through polymer modification. To date, a wide variety of polymers have been used for bitumen modification, and recent research has increasingly focused on using different polymers together. In this study, 611 elastomer, crumb rubber (CR), and melastol-crumb rubber (MCR) were used both individually and in combination as modifiers. Their physical, rheological, and mechanistic behaviors were thoroughly investigated. The findings indicate that binders modified with 611 and MCR exhibited superior rheological properties, including increased stiffness, elasticity, and resistance to permanent deformation when compared to those modified with SBS and CR. The best performance was obtained from the binder containing 3.5 % 611 additive. It improved the high temperature performance of the pure binders. The findings also highlight the sustainability potential of this approach, since the incorporation of recycled melastol crumb rubber (MCR) reduces waste and the required dosage of virgin elastomer, thereby supporting environmentally and economically sustainable pavement practices. Future research should emphasize field trials and long-term performance evaluations to validate these laboratory findings.
dc.description.sponsorshipFirat University Scientific Research Projects Coordination Unit (FUBAP) [MF.25.116]
dc.description.sponsorshipThis study was supported by Firat University Scientific Research Projects Coordination Unit (FUBAP) with grant number MF.25.116.
dc.identifier.doi10.1016/j.cscm.2025.e05572
dc.identifier.issn2214-5095
dc.identifier.scopus2-s2.0-105023826972
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.cscm.2025.e05572
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5651
dc.identifier.volume23
dc.identifier.wosWOS:001622768000001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofCase Studies in Construction Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzWOS_KA_20260207
dc.subjectBitumen
dc.subjectSBS
dc.subjectCrumb rubber
dc.subjectModification
dc.subjectRheology
dc.titleCombining polymers and additives for sustainable asphalt binder performance
dc.typeArticle

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