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<p>The global construction industry faces increasing pressure to reduce its environmental footprint and adopt sustainable alternatives to conventional materials. Natural fiber-reinforced composites have emerged as promising solutions, with sisal fiber in particular attracting significant attention for its abundance, renewability, biodegradability, and favorable mechanical properties. Extracted from the leaves of Agave sisalana, sisal fiber offers a cost-effective and eco-friendly reinforcement option for mortar and concrete. Research findings indicate that incorporating sisal fibers into cementitious composites can substantially improve performance by enhancing tensile and flexural strength, impact resistance, crack-bridging ability, and overall toughness, while also reducing brittleness and contributing to weight reduction. From a sustainability perspective, sisal fiber reinforcement reduces reliance on non-renewable synthetic fibers and supports the development of environmentally responsible construction practices. Despite these advantages, several challenges hinder its widespread application. Fiber degradation in the alkaline cement matrix, insufficient fiber matrix bonding, and variability in fiber properties often compromise long-term performance. To overcome these limitations, different treatments and modifications such as alkali treatment, silane application, and hybridization with other fibers have been proposed to enhance interfacial adhesion, durability, and mechanical efficiency. This review systematically synthesizes current knowledge on sisal fiber-reinforced mortar and concrete, with particular emphasis on mechanical performance, durability, and sustainability. It critically examines the challenges and limitations associated with sisal fiber application while highlighting recent advances in fiber treatment techniques. Furthermore, the review identifies research gaps and future opportunities for optimizing sisal fiber utilization in construction materials. By consolidating existing findings, this study provides a comprehensive reference for researchers, engineers, and practitioners seeking to design sustainable, high-performance cementitious composites that align with global efforts toward greener construction practices.</p>

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Bibliometric analysis and systematic review of sisal fiber treatment and reinforcement in mortar and concrete

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月31日

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  • Bolanle Deborah Ikotun,
  • Dawit Beza Alemu,
  • Opeoluwa Rotimi Dada

摘要

The global construction industry faces increasing pressure to reduce its environmental footprint and adopt sustainable alternatives to conventional materials. Natural fiber-reinforced composites have emerged as promising solutions, with sisal fiber in particular attracting significant attention for its abundance, renewability, biodegradability, and favorable mechanical properties. Extracted from the leaves of Agave sisalana, sisal fiber offers a cost-effective and eco-friendly reinforcement option for mortar and concrete. Research findings indicate that incorporating sisal fibers into cementitious composites can substantially improve performance by enhancing tensile and flexural strength, impact resistance, crack-bridging ability, and overall toughness, while also reducing brittleness and contributing to weight reduction. From a sustainability perspective, sisal fiber reinforcement reduces reliance on non-renewable synthetic fibers and supports the development of environmentally responsible construction practices. Despite these advantages, several challenges hinder its widespread application. Fiber degradation in the alkaline cement matrix, insufficient fiber matrix bonding, and variability in fiber properties often compromise long-term performance. To overcome these limitations, different treatments and modifications such as alkali treatment, silane application, and hybridization with other fibers have been proposed to enhance interfacial adhesion, durability, and mechanical efficiency. This review systematically synthesizes current knowledge on sisal fiber-reinforced mortar and concrete, with particular emphasis on mechanical performance, durability, and sustainability. It critically examines the challenges and limitations associated with sisal fiber application while highlighting recent advances in fiber treatment techniques. Furthermore, the review identifies research gaps and future opportunities for optimizing sisal fiber utilization in construction materials. By consolidating existing findings, this study provides a comprehensive reference for researchers, engineers, and practitioners seeking to design sustainable, high-performance cementitious composites that align with global efforts toward greener construction practices.