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<p>The use of asphalt binder has a great contribution to the enhancement of mechanical properties and the durability of asphalt pavements. Researchers are finding the potential of using natural, synthetic, and mineral fibres as additives to asphalt mixes owing to their multiple performance advantages. This paper presents the first integrated scientometric-technical systematic review of fiber-reinforced asphalt mixtures, combining bibliometric analysis of 328 studies (2013–2024) from the Scopus database with a critical performance synthesis using the PRISMA 2020 framework. Unlike previous reviews that address either scientometric trends or technical performance in isolation, this study uniquely establishes quantitative performance benchmarks across fiber types, links publication trends to real technological progress, and develops a practitioner-oriented research roadmap. The findings indicate that synthetic fibres (polypropylene, polyester) improve fatigue life by 50–200% and Marshall stability by 10–25%, while basalt fibres enhance rutting resistance by 25–40% at optimal dosages of 0.3–0.5%. Natural fibres offer sustainable alternatives but face long-term durability challenges in humid climates. Waste-derived fibers (face masks, tire textiles) demonstrate 12–40% performance improvements with positive environmental impact. Hybrid fiber systems show multiplicative rather than additive performance gains, with fatigue life improvements up to 450–580%. The study identifies critical research gaps in standardized testing protocols, long-term field validation, and fiber-aggregate interfacial mechanisms, and provides practical guidelines for fiber selection, dosage optimization, and construction practices.</p>

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Utilization of Various Fibers Used in Asphalt Mix for Roadway Applications: Systematic Review Research

  • 期刊论文

  • 发表日期：

    2026年3月12日

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  • Neduri Prabhanjan,
  • K. Rajesh Kumar,
  • Gaddam Ashok

摘要

The use of asphalt binder has a great contribution to the enhancement of mechanical properties and the durability of asphalt pavements. Researchers are finding the potential of using natural, synthetic, and mineral fibres as additives to asphalt mixes owing to their multiple performance advantages. This paper presents the first integrated scientometric-technical systematic review of fiber-reinforced asphalt mixtures, combining bibliometric analysis of 328 studies (2013–2024) from the Scopus database with a critical performance synthesis using the PRISMA 2020 framework. Unlike previous reviews that address either scientometric trends or technical performance in isolation, this study uniquely establishes quantitative performance benchmarks across fiber types, links publication trends to real technological progress, and develops a practitioner-oriented research roadmap. The findings indicate that synthetic fibres (polypropylene, polyester) improve fatigue life by 50–200% and Marshall stability by 10–25%, while basalt fibres enhance rutting resistance by 25–40% at optimal dosages of 0.3–0.5%. Natural fibres offer sustainable alternatives but face long-term durability challenges in humid climates. Waste-derived fibers (face masks, tire textiles) demonstrate 12–40% performance improvements with positive environmental impact. Hybrid fiber systems show multiplicative rather than additive performance gains, with fatigue life improvements up to 450–580%. The study identifies critical research gaps in standardized testing protocols, long-term field validation, and fiber-aggregate interfacial mechanisms, and provides practical guidelines for fiber selection, dosage optimization, and construction practices.