By Dr. Reza Imaninasab on 04/26/2023.

Reza Imaninasab received his PhD from École de technologie supérieure (ÉTS) in March 2023 and his MSc from Iran University of Technology in September 2013. During his PhD, he focused on the mix design of asphalt mixtures containing RAP contents of over 50%. He has also published 23 scientific papers in reputable journals within the last six years, which have garnered over 660 citations.

In this presentation, Dr. Imaninasab concluded that the use of Bailey method concepts can significantly improve the rutting resistance of asphalt mixtures. The mix design used in his study was also found to be effective in ranking asphalt mixtures based on fatigue performance, although advanced testing and analysis are necessary to fully evaluate this complex phenomenon. In analyzing fatigue life of asphalt mixtures containing high RAP, the VECD approach was found to be a better option compared to classical methods. Furthermore, the behavior of asphalt mixtures with high RAP content is more indicative of asphalt binder at high temperatures and/or low frequencies, rather than at all temperatures and frequencies.

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By Alyssa Bernier on 04/12/2023.

Alyssa Bernier is a Master’s student at �Ӱ�ԭ�� University graduating in Spring 2023. She completed her Bachelor of Civil Engineering at the University of New Brunswick. During her time there, Alyssa gained experience conducting field sampling and quality control testing on various construction materials, including asphalt. This experience sparked her interest in asphalt material properties and laboratory testing, ultimately leading her to pursue a master’s degree in pavement engineering. Her research has focused on using Pavement Mechanistic-Empirical Design software to simulate and predict the impact of heat waves on flexible pavements.

In this webinar, Alyssa discussed the impacts of the unprecedented 2021 heat wave on Western Canadian pavements. Also, she put special emphasis on the impacts of some simulated heat waves on Ontario pavements. She reported increases in rutting due to hear waves with the potential for it to become worse with the onset of climate change.

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