physical and rheological qualities


  • Omar Adel Ismael Highway and Transportation Engineering Department, College of Engineering, Mustansiriyah University, Baghdad, Iraq
  • Siham Idan Salih Highway and Transportation Engineering Department, College of Engineering, Mustansiriyah University, Baghdad, Iraq.



Organic additives, Warm mix asphalt, Asphaltan A, Asphaltan B, Asphaltan C, T-grade temperature


Several studies aim to reduce surface temperatures and improve the performance of hot mix asphalt. These studies have occurred to reduce the global warming phenomena and economic concerns. We're researching how organic materials affect the viscosity of modified asphalt. Asphaltan A, Asphaltan B, Asphaltan C, and T-grade are organic additives.  temperatures with the asphalt binder were employed in the current study.  These organic additives were used to improve the characteristics of hot-mix asphalt. In addition, it increases the durability, and lifespan of pavement and reduces mixing and compaction temperatures. A penetration grade bitumen of 40/50 was used in this study. Then, pure bitumen was added to the organic additives to modify binders containing varying concentrations of each additive. Physical properties were performance at different levels of additives. In the research, conventional bitumen/asphalt should be adjusted due to climate conditions, strong traffic loads, and growing axial loads. As a result, asphalt mixtures comprehending bitumen with a high penetration index are less prone to low-temperature cracking and irreversible deformation. Traditional asphalt studies found that bitumen samples with the softening point of warm mix asphalt additives were greater rate, and were less susceptible to temperature changes. The introduction of organic compounds increased the penetration and softening point of the asphalt substantially. This indicated that the stiffness and thermal expansion of the binder had gotten better.


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Submission Dates

Received 04/07/2022

Revised 17/01/2023

Accepted 01/12/2023

How to Cite

Adel Ismael, O., & Idan Salih, S. . (2024). ASPHALT BINDERS EMPLOY VARIOUS ORGANIC ADDITIVES: PHYSICAL AND RHEOLOGICAL QUALITIE: physical and rheological qualities. Journal of Engineering and Sustainable Development, 28(1), 96–108.