What is it about?
This paper aims to investigate a nonfood source of soybean oil as a green supply for the maintenance of pavements. Field test sections were constructed to evaluate different application rates, and performance and mechanistic evaluations were carried out over a ten-year flexible pavement. The binder extracted and recovered from the coating layer was evaluated regarding chemical and rheological methods. Results showed changes in the properties of the aged binder, which can indicate a rejuvenating activity of the bioproduct for both rates used in this investigation.
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Why is it important?
Our most significant findings showed the recovery of properties related to the performance of asphalt mixtures, which reflected the mechanical resistance of the coating layer investigated in field test sections.
Perspectives
Writing this article was a great opportunity to develop a network and establish new collaborations. The infrastructure of transportation industry includes large amounts of materials from non-renewable sources. Developing this research improved my perspective on introducing innovative solutions to this issue through field testing investigations.
Ataslina de Paula da Silva
Iowa State University
Read the Original
This page is a summary of: The Application of Bio-Emulsion from Soybean Oil Partially Epoxidized as a Maintenance Technique for Flexible Pavements, Journal of Testing and Evaluation, February 2023, ASTM International,
DOI: 10.1520/jte20220286.
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