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<p>The global construction industry’s heavy reliance on Ordinary Portland Cement has led to significant carbon emissions and environmental degradation. To address this challenge, this study investigates the mechanical behaviour of sustainable concrete incorporating Ground Granulated Blast Furnace Slag as a partial cement replacement and bamboo fiber as natural reinforcement. The primary objective is to enhance concrete’s mechanical performance while reducing its environmental impact. A total of six concrete mixes were prepared by replacing OPC with GGBFS at 0–50%. Additionally, bamboo fiber (BF), a renewable natural fiber, was incorporated into the concrete matrix at volumetric dosages of 0–2% to enhance mechanical properties. The mechanical performance of the resulting concrete mixes was evaluated through compressive, flexural, and split tensile strength tests after 7 and 28&#xa0;days of curing. Results show that 40% GGBFS is the optimal replacement level, achieving peak mechanical performance with CS, FS, and STS increases of 11.91%, 44.81%, and 42.63%, respectively, at 28&#xa0;days. Adding 1.5% BF to this mix further enhances FS and STS by 13.74% and 23.69%, with minimal impact on CS. SEM analysis confirms improved fiber-matrix bonding, and ANOVA results statistically validate the effects of GGBFS and BF on performance metrics. This study concludes that a combination of 40% GGBFS and 1.5% BF provides an optimal balance of strength, sustainability, and ductility. Future studies should explore long-term durability, environmental exposure effects, and life-cycle assessments of such composite mixes to establish their viability in real-world applications.</p>

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Investigating the mechanical behaviour of bamboo fiber-reinforced concrete with GGBFS for sustainable construction

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月6日

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  • Pramod Kumar,
  • Abhilash Gogineni,
  • Bheem Pratap,
  • M. K. Diptikanta Rout,
  • Ansuya Sahu,
  • Regasa Yadeta Sembeta

摘要

The global construction industry’s heavy reliance on Ordinary Portland Cement has led to significant carbon emissions and environmental degradation. To address this challenge, this study investigates the mechanical behaviour of sustainable concrete incorporating Ground Granulated Blast Furnace Slag as a partial cement replacement and bamboo fiber as natural reinforcement. The primary objective is to enhance concrete’s mechanical performance while reducing its environmental impact. A total of six concrete mixes were prepared by replacing OPC with GGBFS at 0–50%. Additionally, bamboo fiber (BF), a renewable natural fiber, was incorporated into the concrete matrix at volumetric dosages of 0–2% to enhance mechanical properties. The mechanical performance of the resulting concrete mixes was evaluated through compressive, flexural, and split tensile strength tests after 7 and 28 days of curing. Results show that 40% GGBFS is the optimal replacement level, achieving peak mechanical performance with CS, FS, and STS increases of 11.91%, 44.81%, and 42.63%, respectively, at 28 days. Adding 1.5% BF to this mix further enhances FS and STS by 13.74% and 23.69%, with minimal impact on CS. SEM analysis confirms improved fiber-matrix bonding, and ANOVA results statistically validate the effects of GGBFS and BF on performance metrics. This study concludes that a combination of 40% GGBFS and 1.5% BF provides an optimal balance of strength, sustainability, and ductility. Future studies should explore long-term durability, environmental exposure effects, and life-cycle assessments of such composite mixes to establish their viability in real-world applications.