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AuthorSirin, Okan
AuthorPaul, Dalim K.
AuthorKassem, Emad
Available date2024-03-27T07:34:50Z
Publication Date2018-01-29
Publication NameAdvances in Civil Engineering
Identifierhttp://dx.doi.org/10.1155/2018/3428961
CitationSirin, O., Paul, D. K., & Kassem, E. (2018). State of the art study on aging of asphalt mixtures and use of antioxidant additives. Advances in Civil Engineering, 2018.
ISSN1687-8086
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85045565011&origin=inward
URIhttp://hdl.handle.net/10576/53570
AbstractThe detrimental effects of hardening in asphalt pavements were first recognized by pioneering pavement engineers in the 1900s and have been studied extensively during the last 70 years. This hardening process, referred to as asphalt aging, is generally defined as change in the rheological properties of asphalt binders/mixtures due to changes in chemical composition during construction and its service life period. Aging causes the asphalt material to stiffen and embrittle, which affects the durability and leads to a high potential for cracking. This paper presents the state of the art on asphalt and asphalt mixture aging and use of antioxidant additives to retard the aging. A picture of complex molecular structure of asphalt and its changes due to atmospheric condition and various protocols used to simulate aging in laboratory environment are also discussed. Emphasis is given on recent studies on simulation of aging of asphalt mixtures as there has been limited research on mixtures compared to the asphalt binder. Finally, this paper presents the application of antiaging techniques and its mechanism, use of various types of antioxidant additives to retard aging of asphalt and, hence, improve the performance of asphalt pavements.
SponsorThis paper was made possible by the NPRP grant (NPRP 6-773-2-320) from the Qatar National Research Fund (a member of Qatar Foundation).
Languageen
PublisherHindawi
Subjectasphalt pavements
antioxidant additives
TitleState of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives
TypeArticle
Volume Number2018
ESSN1687-8094
dc.accessType Open Access


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