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Description:

Amid the growing awareness of climate change, the use of renewable resources has become essential for promoting sustainable and eco-friendly construction practices. Sheep wool fibers, known for their superior thermal insulation and acoustic properties, have gradually attracted the attention of researchers in civil engineering. However, owing to the relatively recent exploration of sheep wool in concrete, a systematic understanding of sheep wool fiber-reinforced cementitious composites (SWFRCC) remains limited, particularly in terms of its microstructure, which hinders its commercial application. This study presents a comprehensive review of the usability of sheep wool fibers in concrete, with a focus on workability, compressive strength, flexural strength, thermal insulation, acoustic performance, and durability. In addition, this study provides potential applications, highlights the current challenges, and proposes future research directions for SWFRCC. This review aims to enhance the understanding of sheep wool fibers and SWFRCC, offering valuable insights for advancing sustainable construction practices.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: Sheep wool fibers , Natural insulation material, Fiber-reinforced concrete, Polymer composites , Sustainable construction

Date published: 2025-07-29

Publisher: Elsevier BV

Journal:

• Developments in the Built Environment (ISSN: 26661659) vol. 23 100730

Funding:

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1016/j.dibe.2025.100730

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Updated at: 2025-12-16 10:49:11 +0900

Published on MDR: 2025-12-19 14:11:44 +0900