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<p>The study evaluates the standalone impact of incorporating inorganic AR-glass fibers (fibrous form) and ground glass fiber (GGF), a byproduct of glass fiber from pipe manufacturing company (powder form), on the properties of GGBFS based alkali activated composite (AAC). Investigations were undertaken to assess, the influence of variations in AR-glass fibers dosage and aspect ratio; and the influence of GGF dosage, on the fresh, mechanical and thermal resistance properties of composites. A total of 9 composite mixes were produced with glass fiber content of 0, 0.2 and 0.4% vol. fraction; glass fiber lengths of 8 and 16&#xa0;mm and GGF dosage varying from 0, 5,10,15,20%. Besides the evaluation of workability, density and compressive strengths under normal conditions, the influence on thermal resistance under different levels of elevated temperatures were assessed. The residual compressive strength, ultrasonic pulse velocity (UPV) and weight change results were examined before and after the exposure to high temperatures. In addition to the visual inspection, XRD and SEM analyses were undertaken for interpretation of the results. The composites with 0.2%, 8&#xa0;mm long glass fibers showed an overall improved mechanical as well as thermal resistance properties. Similarly, composites incorporated with 10% GGF replacement showed substantial improvement in compressive strength.</p>

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Influence of glass fiber and waste ground glass fiber powder on thermal resistance properties of alkali activated composites

  • 期刊论文

  • 发表日期：

    2025年2月12日

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  • Amin Hamdi,
  • Khatib Zada Farhan

摘要

The study evaluates the standalone impact of incorporating inorganic AR-glass fibers (fibrous form) and ground glass fiber (GGF), a byproduct of glass fiber from pipe manufacturing company (powder form), on the properties of GGBFS based alkali activated composite (AAC). Investigations were undertaken to assess, the influence of variations in AR-glass fibers dosage and aspect ratio; and the influence of GGF dosage, on the fresh, mechanical and thermal resistance properties of composites. A total of 9 composite mixes were produced with glass fiber content of 0, 0.2 and 0.4% vol. fraction; glass fiber lengths of 8 and 16 mm and GGF dosage varying from 0, 5,10,15,20%. Besides the evaluation of workability, density and compressive strengths under normal conditions, the influence on thermal resistance under different levels of elevated temperatures were assessed. The residual compressive strength, ultrasonic pulse velocity (UPV) and weight change results were examined before and after the exposure to high temperatures. In addition to the visual inspection, XRD and SEM analyses were undertaken for interpretation of the results. The composites with 0.2%, 8 mm long glass fibers showed an overall improved mechanical as well as thermal resistance properties. Similarly, composites incorporated with 10% GGF replacement showed substantial improvement in compressive strength.