Oxidation simulation of thin bitumen film

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Abstract

Oxidative aging is a complex phenomenon in bitumen and its fundamental understanding is needed to optimize paving materials with long-lasting characteristics. This research reports on a diffuse-reaction model for predicting the oxidation of bituminous binders over time and under different conditions. As known, the oxidation of bitumen is affected by the material chemistry, film thickness and temperature. Thus, these factors were considered in this research to simulate the oxidation of a thin bitumen film. Carbon compounds were assumed as the oxidation index of a model bitumen and analyses were performed enabling prediction of chemical compositional changes. In the future, the current model can be used to simulate the actual oxidative aging in (un)modified binders, such as epoxy modified asphalt, presented in a companion paper (Apostolidis et al., Kinetics of Epoxy-Asphalt Oxidation. AM3P).
Original languageEnglish
Title of host publicationAdvances in Materials and Pavement Performance Prediction II
Subtitle of host publicationContributions to the 2nd International Conference on Advances in Materials and Pavement Performance Prediction (AM3P 2020), 27-29 May, 2020, San Antonio, Tx, USA)
EditorsA. Kumar, A.T. Papagiannakis, A. Bhasin, D. Little
Place of PublicationLondon
PublisherTaylor & Francis
Number of pages3
Edition1
ISBN (Electronic)9781003027362
DOIs
Publication statusPublished - 2020
Event2nd International Conference on Advances in Materials and Pavement Performance Prediction - Online due to COVID19, San Antonio, United States
Duration: 3 Aug 20207 Aug 2020
https://www.am3p.com/
https://www.acpa.org/event/am3p-2020/

Conference

Conference2nd International Conference on Advances in Materials and Pavement Performance Prediction
Abbreviated titleAM3P 2020
CountryUnited States
CitySan Antonio
Period3/08/207/08/20
Internet address

Bibliographical note

Accepted Author Manuscript

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