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Waste frying oil modified bitumen usage for sustainable hot mix asphalt pavement

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dc.creator KARAHANÇER, Sebnem
dc.creator TERZİ, Serdal
dc.creator SALTAN, Mehmet
dc.creator Eriskin, EKİNHAN
dc.date 2017-08-31T21:00:00Z
dc.date.accessioned 2020-10-06T09:36:33Z
dc.date.available 2020-10-06T09:36:33Z
dc.identifier 2e48f5f9-b3bb-4e19-b61e-eaa0554c7c88
dc.identifier 10.1016/j.acme.2017.03.006
dc.identifier https://avesis.sdu.edu.tr/publication/details/2e48f5f9-b3bb-4e19-b61e-eaa0554c7c88/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/56472
dc.description Asphalt concrete is composed primarily of aggregate and asphalt binder. By volume, a typical Hot Mix Asphalt (HMA) mixture is about 85% aggregate, 10% asphalt binder, and 5% air voids. Bitumen is very important as a binder material in asphalt concrete. However, the cost of the bitumen is relatively high. For this reason, highway professionals are looking for modifiers to decrease the bitumen content used in the asphalt pavement. In this study, waste frying oil (WFO) is used as a modifier to modify the bitumen. As a result, by adding WFO into the bitumen, optimum binder content of a mixture was decreased from 5.125% down to 4.575%. So that, roads constructed with WFO modified bitumen are sustainable because of decreasing the bitumen rate used in the mixture. In addition, softening point of the modified bitumen is decreased (up to 82%) while the penetration value is increased (up to 240%) by modifying the bitumen with WFO. The tensile strength ratios of the modified asphalt specimens are all above the minimum specification limit, 80%. Finally, required temperature for fast self-healing is decreased by modifying the bitumen with WFO. Specimens prepared with WFO modified bitumen are healed compared to the reference specimen. (C) 2017 Politechnika Wroclawska. Published by Elsevier Sp. z o.o. All rights reserved.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Waste frying oil modified bitumen usage for sustainable hot mix asphalt pavement
dc.type info:eu-repo/semantics/article

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