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@article{199839,
        author = {Yashwanth S and Sachin T M and Hemalatha K and Mallikarjuna K},
        title = {Review on Flexural Behavior of RC Beams Strengthened with Sheep Wool–Based FRP under Externally Bonded Reinforcement},
        journal = {International Journal of Innovative Research in Technology},
        year = {2026},
        volume = {12},
        number = {11},
        pages = {14369-14375},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=199839},
        abstract = {The increasing demand for sustainable construction materials has accelerated the exploration of natural fibers as alternatives to conventional synthetic fiber-reinforced polymers (FRP). Among these, sheep wool fiber has emerged as a promising material due to its inherent flexibility, high energy absorption capacity, thermal insulation properties, and biodegradable nature. This study investigates the flexural performance of reinforced concrete (RC) beams strengthened using sheep wool–based FRP composites through the externally bonded reinforcement (EBR) technique.
The experimental program comprises material characterization through tensile
testing, bond behaviour assessment using pull-out tests, and structural evaluation under two-point loading conditions. Various strengthening configurations, including full U-wrap, bottom strip wrapping at 90°, and inclined strip wrapping at 45°, are examined and compared with unstrengthened control specimens. Key performance indicators such as load–deflection response, stiffness variation, crack propagation, and failure modes are systematically analyzed.
The results demonstrate that wool-based FRP systems significantly enhance flexural strength, delay crack initiation and propagation, and improve ductility. Among the investigated configurations, U-wrap and inclined wrapping exhibit superior performance due to enhanced confinement and improved bond efficiency. The findings confirm that sheep wool fiber composites can serve as a viable, sustainable alternative to conventional synthetic FRP systems for structural strengthening applications.},
        keywords = {Anchorage systems, BFRP laminates, Bond behavior, Flexural strength, RC beams.},
        month = {April},
        }