The College of Engineering, Al-Nahrain University discussed a Ph.D. thesis on modeling and predicting the performance of sustainable hot asphalt mixes produced with different types of polymers by the postgraduate student, Mr. Osama Hassan Jafat.
The thesis aimed at utilizing a novel reactive terpolymer as a high-performance and potentially more sustainable alternative to SBS in modifying conventional hot asphalt, as well as in sustainable hot asphalt containing 20% recycled asphalt pavement (RAP).
The thesis highlighted that using EVA-GMA at a concentration of 2.5% resulted in an asphalt mix with high initial stiffness and a high tensile strength ratio (TSR), indicating significant resistance to moisture damage, a noticeable reduction in trenches depth was also observed, indicating high resistance to permanent deformation.
The thesis reviewed that the material demonstrated good durability, confirming its suitability for flexible surfaces in temperate to hot climates.
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