Effects of Basalt Fiber Content on the Properties of Ambient-Cured Engineered Geopolymer Composites 


Vol. 26,  No. 7, pp. 3147-3168, Jul.  2025
10.1007/s12221-025-01019-7


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  Abstract

This study investigates the development of engineered geopolymer composites (EGCs) reinforced with basalt fibers (BF) as a sustainable alternative to conventional cement concrete (CCC). By replacing ordinary Portland cement (OPC) with industrial by-products such as fly ash and ground granulated basalt furnace slag (GGBS), these composites significantly reduce carbon emissions. However, to overcome inherent brittleness and flexural strength limitation of EGCs, in this study, different percentage of BF, such as 0.5%, 1%, 1.5%, 2% and 2.5%, are reinforced in mix to enhance the performance of EGCs. The research explores the ideal mix of materials through various testing under ambient curing. The experimental results revealed that EGCs reinforced with BF significantly enhance the performance under ambient curing. The mix with 2% of BF exhibited a notable increase in compressive and flexural strength of 68.36 Mpa and 21.23 Mpa, respectively, at 28 days. This is due to improved fiber-matrix bonding. The optimum mix, EGC-F2 (2% basalt fiber), exhibited a notable increase in strength compared to other mixes, this is primarily due to improved fiber-matrix bonding. Similarly, the mix with 2% of BF absorbed lower water and showed superior resistance to chloride ion penetration, ensuring improved long-term performance of EGCs. Additionally, reduced porosity, better fiber dispersion, and strong matrix integrity were observed in the mix using SEM analysis.

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  Cite this article

[IEEE Style]

N. Shanmugasundaram, V. Sreevidya, R. R. Burniga, V. G. Dhanush, P. A. Kishore, "Effects of Basalt Fiber Content on the Properties of Ambient-Cured Engineered Geopolymer Composites," Fibers and Polymers, vol. 26, no. 7, pp. 3147-3168, 2025. DOI: 10.1007/s12221-025-01019-7.

[ACM Style]

N. Shanmugasundaram, V. Sreevidya, R. Rithu Burniga, V. G. Dhanush, and P. A. Kishore. 2025. Effects of Basalt Fiber Content on the Properties of Ambient-Cured Engineered Geopolymer Composites. Fibers and Polymers, 26, 7, (2025), 3147-3168. DOI: 10.1007/s12221-025-01019-7.

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pISSN : 1229 - 9197
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