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Open AccessFeature PaperReview

Fundamental Approaches to Predict Moisture Damage in Asphalt Mixtures: State-of-the-Art Review

1
Nynas NV, Bitumen Research, 2020 Antwerp, Belgium
2
Belgian Road Research Center, 1200 Brussels, Belgium
3
RERS, EMIB, Faculty of Applied Engineering, University of Antwerp, 2020 Antwerp, Belgium
*
Author to whom correspondence should be addressed.
Infrastructures 2020, 5(2), 20; https://doi.org/10.3390/infrastructures5020020
Received: 31 January 2020 / Revised: 17 February 2020 / Accepted: 19 February 2020 / Published: 21 February 2020
(This article belongs to the Special Issue Recent Advances and Future Trends in Pavement Engineering)
Moisture susceptibility is still one of the primary causes of distress in flexible pavements, reducing the pavements’ durability. A very large number of tests are available to evaluate the susceptibility of a binder aggregate combination. Tests can be conducted on the asphalt mixture, either in a loose or compacted form, or on the individual components of an asphalt pavement. Apart from various mechanisms and models, fundamental concepts have been proposed to calculate the thermodynamic tendency of a binder aggregate combination to adhere and/or debond under wet conditions. The aim of this review is to summarize literature findings and conclusions, regarding these concepts as carried out in the CEDR project FunDBits. The applied test methods, the obtained results, and the validation or predictability of these fundamental approaches are discussed. View Full-Text
Keywords: moisture damage; surface free energy components; cohesion; binder–aggregate adhesion moisture damage; surface free energy components; cohesion; binder–aggregate adhesion
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Soenen, H.; Vansteenkiste, S.; Kara De Maeijer, P. Fundamental Approaches to Predict Moisture Damage in Asphalt Mixtures: State-of-the-Art Review. Infrastructures 2020, 5, 20.

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