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Computers and Concrete Volume 35, Number 1, January 2025 , pages 43-58 DOI: https://doi.org/10.12989/cac.2025.35.1.043 |
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Exploring sustainable practices in carbon fiber-reinforced concrete: A comprehensive analysis using response surface methodology |
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Arivumani V, Thiru S, Sivarethinamohan R and Hemavathi S
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| Abstract | ||
| This study focuses on enhancing concrete's mechanical strength and reducing its environmental impact through the integration of carbon fiber (CF) into Self-Compacting Concrete (SCC). Experimental trials included varying CF weights (0.2%, 0.4%, 0.6%, 0.8%, and 1.0%), assessing fresh and hardened concrete properties, and evaluating durability factors such as Acid Attack and Water Absorption, along with embodied carbon. Incorporating CF mitigates sagging and improves durability over time. Optimal improvements were observed with 0.6% CF, resulting in a significant 20.21% increase in compressive strength and a notable 58.38% enhancement in split tensile strength. Using Response Surface Methodology (RSM), a model was developed to optimize CF integration. Carbon fiber improves concrete by reinforcing the matrix, reducing micro-cracks, enhancing strength, and preventing segregation. In hardened concrete, it acts as secondary reinforcement, increasing strength and durability by reducing permeability. This lowers water absorption and improves resistance to acid attacks. Additionally, it reduces embodied carbon, lessening environmental impact while maintaining structural integrity. This study enhances our understanding of carbon fiber's benefits in concrete, guiding future development. | ||
| Key Words | ||
| carbon fiber; embodied carbon; mechanical properties; RSM; sustainability | ||
| Address | ||
| Arivumani V: Department of Architecture, Sigma College of Architecture, Anducode - 629168, Tamilnadu, India Thiru S: Department of Mechanical and Materials Engineering, University of Jeddah, Jeddah - 21959, Kingdom of Saudi Arabia Sivarethinamohan R: Department of Management Studies, Symbiosis Centre for Management Studies, Constituent of Symbiosis International Deemed University, Bengaluru - 560100, Karnataka, India Hemavathi S: Department of Civil Engineering, K Ramakrishnan College of Technology, Trichy - 621112, Tamilnadu, India | ||