An alternative approach for increasing the visibility of roads

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dc.contributor.authorTerzi, Serdal
dc.contributor.authorErgezer, Fatih
dc.contributor.authorSaltan, Mehmet
dc.contributor.authorKarahancer, Sebnem
dc.contributor.authorEriskin, Ekinhan
dc.contributor.authorUncu, Ismail Serkan
dc.contributor.authorKaradag, Oznur
dc.date.accessioned2026-01-24T12:26:52Z
dc.date.available2026-01-24T12:26:52Z
dc.date.issued2024
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractVisibility problems occur on highways that are not sufficiently illuminated at night, endangering traffic safety. Phosphor material, which has a natural glow feature under ultraviolet (UV) light, is planned to increase road visibility in areas with inadequate lighting. Phosphor powder (PP) was used in four different percentages (25%, 50%, 75%, and 100%) as fillers in hot mix asphalt (HMA), reduced to filler size. Asphalt specimens were prepared using a super pave gyratory compactor and super pave volumetric mixture design. Compacted specimens were exposed to artificial 12V UV light for 10-minute intervals in a dark room, and UV light absorption was observed. Visibility analyses were performed on the specimens by taking high-resolution photos with long exposure from a distance of approximately 30 cm from the asphalt specimen using a professional camera. According to the analysis results, the visibility values increased by 200.4%, 378.5%, 538.1%, and 728.5% compared to the reference specimen for substitution rates of 25%, 50%, 75%, and 100%, respectively. Experiments were conducted to determine the behavior of the specimens prepared as phosphorus substitutes in the mixture. After selecting the optimum binder contents, the modified Lottman test procedure was applied to measure the specimens' strength values and moisture sensitivity prepared at optimum ratios. The indirect tensile test results show that the 25% PP- substituted specimen had a better strength value. The tensile strength ratio (TSR) value, the ratio of dry and wet tensile stresses, was determined to have minor moisture sensitivity in the 50% PP-substituted specimen. HWTT was applied to the specimen containing 50% PP content, which exhibited the best TSR ratio, resulting in improved rutting performance compared to the reference specimen.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [217M478]
dc.description.sponsorshipFunding: We thank the Scientific and Technological Research Council of Turkey (TUBITAK) for supporting the study with grant number 217M478.
dc.identifier.doi10.7764/RDLC.23.2.203
dc.identifier.endpage217
dc.identifier.issn0718-915X
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85203088073
dc.identifier.scopusqualityQ2
dc.identifier.startpage203
dc.identifier.urihttps://doi.org/10.7764/RDLC.23.2.203
dc.identifier.urihttps://hdl.handle.net/20.500.12868/4966
dc.identifier.volume23
dc.identifier.wosWOS:001416924800003
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPontificia Univ Catolica Chile, Escuela Construccion Civil
dc.relation.ispartofRevista De La Construccion
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20260121
dc.subjectRoad visibility
dc.subjectphosphor
dc.subjectUV light
dc.subjectimage analysis
dc.subjecthot mix asphalt
dc.titleAn alternative approach for increasing the visibility of roads
dc.typeArticle

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