Use of a Biopolymer for Road Pavement Subgrade

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dc.authoridYILDIZ, Ozgur/0000-0002-3684-3750
dc.authoridAkbulut, Nurullah/0000-0002-4280-1581
dc.authoridDEMIR, Suleyman/0000-0002-6881-1155
dc.authorwosidYıldız, Özgür/JMB-6956-2023
dc.contributor.authorCabalar, Ali Firat
dc.contributor.authorAkbulut, Nurullah
dc.contributor.authorDemir, Suleyman
dc.contributor.authorYildiz, Ozgur
dc.date.accessioned2024-08-04T21:02:20Z
dc.date.available2024-08-04T21:02:20Z
dc.date.issued2023
dc.departmentİnönü Üniversitesien_US
dc.description.abstractThis paper presents an extensive series of laboratory works and a prediction model on the design of a road pavement subgrade with Xanthan Gum (XG) biopolymer. The experimental works were carried out using mixtures of conventional aggregate for road pavement construction and XG at the ratios of 0%, 1%, 2%, and 5%, by dry weight. Unconfined compressive strength (UCS) and California bearing ratio (CBR) tests were conducted during the experimental works at the end of the various curing periods (4, 8, 16, and 32 days). An example of an improvement in the UCS values for a specimen with 5% XG addition tested at the end of 4-daycuring yields about a 200% increment by the end of a 32-daycuring. The CBR values of clean aggregates were found to be increased by about 300% by 5% XG addition for all curing periods applied. Furthermore, the energy absorption capacity of the aggregates was observed to be increased significantly by both XG inclusion and curing period. Moreover, scaled conjugate gradient (SCG) training algorithm-based models developed for the prediction of CBR and UCS test results displayed a very high estimation performance with the regression coefficients of R-2 = 0.967 and R-2 = 0.987, respectively. Evidently, XG biopolymer is provably of use as an alternative inclusion in road pavement subgrades constructed with conventional aggregates.en_US
dc.identifier.doi10.3390/su15108231
dc.identifier.issn2071-1050
dc.identifier.issue10en_US
dc.identifier.urihttps://doi.org/10.3390/su15108231
dc.identifier.urihttps://hdl.handle.net/11616/104689
dc.identifier.volume15en_US
dc.identifier.wosWOS:000997589400001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherMdpien_US
dc.relation.ispartofSustainabilityen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectbiopolymeren_US
dc.subjectaggregateen_US
dc.subjectunconfined compressive strengthen_US
dc.subjectCalifornia bearing ratioen_US
dc.subjectprediction modelen_US
dc.titleUse of a Biopolymer for Road Pavement Subgradeen_US
dc.typeArticleen_US

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