Optimisation of Marshall Design criteria with central composite design in asphalt concrete

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dc.authoridOkur, Dervis Volkan/0000-0002-3416-8202
dc.contributor.authorYildirim, Zeynel Baran
dc.contributor.authorKaracasu, Murat
dc.contributor.authorOkur, Volkan
dc.date.accessioned2025-01-06T17:36:29Z
dc.date.available2025-01-06T17:36:29Z
dc.date.issued2020
dc.description.abstractIn this study, optimum bitumen content (OBC), an important parameter on Marshall Design is described with a mathematical model by using statistical design method. The effects of independent variables such as number of blows, temperature, additive rate and bitumen content are analysed. The simultaneous optimisation of the dependent variables such as practical specific gravity, voids, voids of filled with asphalt cement, Marshall stability, flow and Marshall coefficient is determined with the central composite design. The optimum conditions are detected with 70 blows, temperature of 160 degrees C, additive amount of 10% and OBC of 4.484%. The desirability function is applied to determine local optimisation points. Following the model application, practical specific gravity is estimated to be 2.418 g/cm(3)with voids of 4%, voids of filled asphalt of 71.74%, Marshall stability of 1138.4 kgf under optimum conditions. While it is necessary to pour 126 samples to achieve a result with these variables in Marshall Design under normal conditions, the results are achieved just by pouring 30 samples thanks to the models established.
dc.identifier.doi10.1080/10298436.2018.1502439
dc.identifier.endpage676
dc.identifier.issn1029-8436
dc.identifier.issn1477-268X
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85052143898
dc.identifier.scopusqualityQ1
dc.identifier.startpage666
dc.identifier.urihttps://doi.org/10.1080/10298436.2018.1502439
dc.identifier.urihttps://hdl.handle.net/20.500.14669/1900
dc.identifier.volume21
dc.identifier.wosWOS:000542369200010
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofInternational Journal of Pavement Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectAsphalt concrete
dc.subjectmodelling
dc.subjectMarshall Design
dc.subjectcentral composite design
dc.subjectoptimisation
dc.titleOptimisation of Marshall Design criteria with central composite design in asphalt concrete
dc.typeArticle

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