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Determination of optimum limestone filler content in asphalt mastic by dielectric spectroscopy

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dc.contributor.authorUlutas, Kemal
dc.contributor.authorBozoglu, Deniz
dc.contributor.authorYakut, Sahin
dc.contributor.authorDeligoz, Huseyin
dc.contributor.authorSitilbay, Betul
dc.contributor.authorKarasahin, Mustafa
dc.contributor.authorDeger, Deniz
dc.date.accessioned2026-06-27T15:07:16Z
dc.date.issued2024
dc.description.abstractThe rheological and dielectric characteristics of asphalt mastics with different ratios of limestone filler were analyzed and compared with each other for road pavement applications. The dielectric properties of asphalt mastics are studied as a function of frequency (0,1-10(6) Hz) at different temperatures ((-)40 degrees C-40 degrees C). The glass transition temperature and the relaxation behaviour were determined by Vogel-Fulcher-Tamman and Cole-Cole equations, respectively. The free volume fraction was calculated by the Dolittle equation. The filler ratio dependence of the dielectric properties was attributed to the variation of the void fraction. This result was related to the glass transition temperature and ductility. The sample with 6 wt% limestone filler showed the highest dielectric constant value among all samples for all temperatures due to the excellent adhesion between binder and filler. Consequently, it was determined to be the optimum value to design hot mix asphalt for use in territories with high-temperature differences.en
dc.description.sponsorshipBilimsel Arastirma Projeleri Birimi, Istanbul Universitesi [30048]
dc.description.sponsorshipBilimsel ArastirmaProjeleri Birimi, Istanbul UEniversitesi [37896]
dc.description.urihttps://doi.org/10.1080/14680629.2024.2331194
dc.identifier.doi10.1080/14680629.2024.2331194
dc.identifier.eissn2164-7402
dc.identifier.endpage2787
dc.identifier.issn1468-0629
dc.identifier.issue12
dc.identifier.startpage2772
dc.identifier.urihttps://hdl.handle.net/20.500.14981/68179
dc.identifier.volume25
dc.identifier.wos001188173800001
dc.language.isoeng
dc.publisherTAYLOR & FRANCIS LTD
dc.relation.ispartofROAD MATERIALS AND PAVEMENT DESIGN
dc.subjectAsphalt mastic
dc.subjectlimestone
dc.subjectdielectric properties
dc.subjectglass transition temperature
dc.subjectvolume fraction
dc.subjectSubject classification codes: Bitumen
dc.subjectdielectric spectroscopy
dc.subjecthot mix asphalt design
dc.subjectNANO-FILLERS
dc.subjectBEHAVIOR
dc.subjectPERFORMANCE
dc.subjectMICRO
dc.subjectConstruction & Building Technology
dc.subjectEngineering
dc.subjectMaterials Science
dc.titleDetermination of optimum limestone filler content in asphalt mastic by dielectric spectroscopy
dc.typeArticle
dspace.entity.typePublication
local.import.sourceWOS

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