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Performance Evaluation of Aged Asphalt Pavement Binder through Rejuvenators

Author

Listed:
  • Ghulam Yaseen

    (Department of Civil Engineering, MY University, Islamabad 44000, Pakistan)

  • Arshad Jamal

    (Traffic and Transportation Engineering Department, College of Engineering, Imam Abdurahman Bin Faisal University, Dammam 34212, Saudi Arabia)

  • Meshal Almoshageh

    (Department of Civil Engineering, College of Engineering, Qassim University, Buraydah 51452, Saudi Arabia)

  • Fawaz Alharbi

    (Department of Civil Engineering, College of Engineering, Qassim University, Buraydah 51452, Saudi Arabia)

  • Hammad Hussain Awan

    (Department of Civil Engineering, IBADAT International University, Islamabad 44000, Pakistan)

Abstract

Natural resources are declining due to rising infrastructure, renovation, demolition, and recycling of existing structures that necessitate sustainable development. It urges the researchers to modify the aged asphalt binder in the recycling to enhance the performance life of asphaltic pavements. The aim of this research study is to reutilize recycled materials through rejuvenation. This study utilizes the Cereclor to rejuvenate the aged binder collected from recycling and explore its transformation by comparing it with parent binder of similar grade. Different types of tests, such as basic physical properties, saturates, aromatics, resins, and asphaltenes (SARA) analysis for the fractional composition, bending beam rheometer (BBR), and dynamic shear rheometer (DSR) for rheological properties are applied to investigate these properties and effect on the performance. The results show that rejuvenator improved the fractional composition of the aged asphalt binder. It significantly improved the physical properties of the binder. The asphaltene contents are reduced up to 18% in the fractional composition through the addition of the optimum dosage (7.5%) of the rejuvenator. The colloidal instability index was decreased from 0.74 to 0.43 value by changing its unstable to stable colloidal structure. In addition, rejuvenator improved the rheological properties at a wide range of temperatures. The rejuvenator has the potential to soften the aged binder through optimum dosage (7.5%), as indicated in the results of fractional composition, colloidal structure, and rheological properties. Furthermore, it has been concluded that it can be utilized as a rejuvenator in the recycling industry to resolve the recycled materials disposal issues and lead to promote sustainable development.

Suggested Citation

  • Ghulam Yaseen & Arshad Jamal & Meshal Almoshageh & Fawaz Alharbi & Hammad Hussain Awan, 2022. "Performance Evaluation of Aged Asphalt Pavement Binder through Rejuvenators," Sustainability, MDPI, vol. 14(21), pages 1-12, November.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:21:p:14557-:d:964334
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    References listed on IDEAS

    as
    1. Konstantinos Mantalovas & Gaetano Di Mino, 2019. "The Sustainability of Reclaimed Asphalt as a Resource for Road Pavement Management through a Circular Economic Model," Sustainability, MDPI, vol. 11(8), pages 1-20, April.
    2. Mahmood Ahmad & Xiao-Wei Tang & Feezan Ahmad & Arshad Jamal, 2018. "Assessment of Soil Liquefaction Potential in Kamra, Pakistan," Sustainability, MDPI, vol. 10(11), pages 1-16, November.
    3. Sajid Ali & Sikandar Khan & Arshad Jamal & Mamon M. Horoub & Mudassir Iqbal & Kennedy C. Onyelowe & Agathoklis Giaralis, 2021. "Transverse Response of an Axially Moving Beam with Intermediate Viscoelastic Support," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-14, November.
    4. Salamat Ullah & Arshad Jamal & Meshal Almoshaogeh & Fawaz Alharbi & Jawad Hussain, 2022. "Investigation of Resilience Characteristics of Unbound Granular Materials for Sustainable Pavements," Sustainability, MDPI, vol. 14(11), pages 1-20, June.
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    Cited by:

    1. Tingting Jiang & Qiaojuan Fan & Mingye Hou & Shuzhen Mi & Xiaohui Yan, 2023. "Effects of Rejuvenator Dosage, Temperature, RAP Content and Rejuvenation Process on the Road Performance of Recycled Asphalt Mixture," Sustainability, MDPI, vol. 15(4), pages 1-15, February.

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