Evaluation of olive pomace and SBS modified bitumen to the performance characteristics

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dc.contributor.authorOzel, Feyzullah
dc.contributor.authorDeniz, Mehmet Tahir
dc.contributor.authorYuce, Mehmet Ishak
dc.date.accessioned2024-03-13T10:30:59Z
dc.date.available2024-03-13T10:30:59Z
dc.date.issued2023
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractThis study investigated the applicability of olive pomace (OP) waste, a biomass waste, in bitumen modification. The OP modification was compared with styrene butadiene styrene (SBS) modified bitumen, which is widely used in asphalt modification, in terms of performance and cost. The OP and SBS binders were tested with conventional and rheological experiments. For this, modified asphalt binders were obtained by adding OP (wt. 4, 8, 15, 19, 25, 30%) and SBS (wt. 4, 4.5%) to pure B 50/70 penetration bitumen. The conventional test results of OP and SBS modified bitumen are close to each other, both modified bitumen decreased the penetration and temperature sensitivity of pure bitumen and increased the softening point. According to rheological test results, it was seen that the critical OP ratio was obtained from the 19% OP addition, and the critical SBS ratio was obtained from the 4% SBS addition and they exhibited the same performance grade. Then, for the hot mix asphalt (HMA) design, the optimum bitumen content was determined according to the Marshall method by using aggregate and B 50/70 pure bitumen, 19% OP, and 4% SBS modified bitumen. The effects of OP and SBS-modified bitumen on the mechanical properties of HMA mixtures were evaluated using Marshall stability tests. It could be said that OP-modified bitumen behaves like a more elastic solid at high temperatures, due to its lower penetration and higher softening point than pure bitumen. It has been observed that 19% OP additive provides an improvement, especially in rutting resistance, fatigue, and thermal crack resistance and 19% OP modified binder can be considered as an alternative to 4% SBS modified binder in general in terms of performance and cost. As a result, it is evaluated that OP can be used as a remedial additive in asphalt modification and contribute to the increase of pavement performance, and also that the damage of this waste material to the environment can be eliminated.en_US
dc.identifier.doi10.1016/j.cscm.2023.e02432
dc.identifier.issn2214-5095
dc.identifier.scopus2-s2.0-85170432432en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.cscm.2023.e02432
dc.identifier.urihttps://hdl.handle.net/20.500.12662/3640
dc.identifier.volume19en_US
dc.identifier.wosWOS:001073540200001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofCase Studies In Construction Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectOlive pomaceen_US
dc.subjectModified bitumenen_US
dc.subjectHot mix asphalten_US
dc.subjectSBS Copolymersen_US
dc.subjectPerformance gradeen_US
dc.subjectCosten_US
dc.titleEvaluation of olive pomace and SBS modified bitumen to the performance characteristicsen_US
dc.typeArticleen_US

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