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Journals / Journal of the Turkish Chemical Society Section A: Chemistry / 2026 / Volume: 2026 Issue: 2

Physical Properties Enhancement of Bitumen via Hybrid Modification Using Cellulose and Glass Powder

Abbas Hasan Faris0000-0002-1089-4365
Khaled J Hamid(University of Ambar)0000-0002-3539-5116
Amel Muhson Naji(Dijlah University College)0000-0002-8366-4181
Olfat A. Nief(Mustansiriyah University)0000-0002-7806-064X
Pages
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Publication Date
2026-09-11
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results showed that increasing additive content led to a consistent decrease in penetration and ductility, indicating an increase in binder stiffness.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This study investigates the effects of hybrid modification with cellulose fibers and glass powder on the physical and rheological properties of paving-grade bitumen.
📊
Key Findings & Data:Various concentrations of cellulose (1%, 3%, 5%, 7%, and 10%) and glass powder (3% and 5%) were incorporated individually and in combination to evaluate their influence on penetration, softening point, viscosity at 135°C, and ductility at 25°C.
💡
Conclusion & Impact:The results showed that increasing additive content led to a consistent decrease in penetration and ductility, indicating an increase in binder stiffness.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:cellulose fibers · rheology · bitumen

Abstract

This study investigates the effects of hybrid modification with cellulose fibers and glass powder on the physical and rheological properties of paving-grade bitumen. Various concentrations of cellulose (1%, 3%, 5%, 7%, and 10%) and glass powder (3% and 5%) were incorporated individually and in combination to evaluate their influence on penetration, softening point, viscosity at 135°C, and ductility at 25°C. The results showed that increasing additive content led to a consistent decrease in penetration and ductility, indicating an increase in binder stiffness. Simultaneously, the softening point and viscosity increased, reflecting improved resistance to high-temperature deformation. The hybrid combinations—particularly the mixture of 5% cellulose and 3% glass powder—offered the most balanced performance, enhancing thermal stability while maintaining acceptable flexibility. The findings suggest that hybrid modification can significantly improve bitumen performance, especially for applications requiring enhanced rutting resistance and thermal durability, while maintaining adequate ductility.

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Cite This Article

Faris, A. H., Hamid, K. J., Naji, A. M., Nief, O. A. (2026). Physical Properties Enhancement of Bitumen via Hybrid Modification Using Cellulose and Glass Powder. Journal of the Turkish Chemical Society Section A: Chemistry, Volume: 2026 Issue: 2. https://doi.org/10.18596/jotcsa.1886654

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  96. Khaled TT, Kareem AI, Mohamad SA, Al-Hamd RKS, Minto A. The performance of modified asphalt mixtures with different lengths of glass fiber. Int J Pavement Res Technol. 2026 Jan 9;19(1):79–95. Available from:.
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  108. Nazmey KG, Eisa MS, Morsi AGM, Debaiky AS. Enhancement of porous asphalt mixtures modified with various fibers and ethylene–vinyl acetate polymer. Sci Rep. 2024 Jul 6;14(1):15599. Available from:.
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