A Review on Mechanical and Durability Properties of Jute Fiber Reinforced Fly Ash Concrete

The growing demand for sustainable and eco-friendly construction materials has led to increased interest in the use of natural fibers and industrial by-products in concrete. Jute fiber and fly ash are two such materials that offer significant environmental and technical benefits. This review paper presents a comprehensive analysis of research studies on jute fiber–reinforced fly ash concrete, focusing on its fresh, mechanical, durability, and microstructural properties. Fly ash, a by-product of coal combustion, partially replaces cement, reducing carbon emissions while improving workability and long-term strength. Jute fiber, a renewable and biodegradable natural fiber, enhances crack resistance, tensile strength, and ductility of concrete. The paper reviews the effects of fiber content, fiber treatment, fly ash replacement levels, and curing conditions on concrete performance. Challenges related to fiber dispersion, water absorption, and durability in alkaline environments are also discussed, along with possible treatment and mix-design solutions. Overall, the review highlights the potential of jute fiber fly ash concrete as a sustainable alternative to conventional concrete and identifies research gaps for future investigation.