Email this article Enhancing mechanical properties of foam concrete with sisal fiber reinforcement: An experimental investigation
DOI: https://doi.org/10.20528/cjcrl.2024.03.002
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In this study, we explore the possibility of using sisal fibers as an environmentally-friendly reinforcing agent for foam concrete. We aim to improve its physical properties by combining environmental friendliness with engineering practicality to create a durable material that can be used safely today and a supplier of ecological sustainability for tomorrow. Known for being lightweight and thermally insulating, foam concrete has very low tensile strength and ductility as compared with other materials. This is why its application is often limited in scope. We naturally think that adding sisal fibers, which are a high-performance and renewable resource in themselves, will improve these properties. It is well known that they have a tensile strength of more than 400 kg/cm, and their long, stiff lamellae further increase this advantage. As a result, we integrated sisal fibers at different mixing rates: 0 (no Sisal), 0.25g, 0.5g and so on up to 1% volume. After the test specimens were standardized like this they went into the hence examining each of these properties in turn. With a reasonable content of fibres, the mechanical properties of foam concrete improved significantly. It was observed that the properties of fresh concrete decreased slightly in the samples where 0.50% sisal fiber was used. However, the compressive strength increased by 12.9% compared to the reference sample, and the flexural strength increased by 2.85 times compared to the reference sample. This study not only confirms the feasibility of using sisal fibers to reinforce foam concrete theoretically, but it will also serve as a useful reference for the development of more sustainable scientific building materials. The author provides a discussion of their results and future directions for research on construction materials, highlighting environmental and economic benefits from incorporating natural fibers into these materials.
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