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This paper dwells upon the performance of M30 grade hybrid fiber-reinforced concrete (HFRC) that was developed based on the combination of steel fibers, glass fibers and fly ash. In order to enhance the strength and durability, steel fibers of 50 mm in length and 0.75 mm in diameter were incorporated at the dosage of 24.5 kg/m 3 (0.31% by volume). In addition to this, there were alkali-resistant glass fibers of length of 24 mm and diameter of 1–2 0 m at 15.63 kg/m3 (0.62 by volume). To ensure the cement was more sustainable, 20% cement has been substituted with fly ash and this means that there has been a reduction in cement consumption with no negativity to quality. The concrete mix was prepared according to the IS 10262, with appropriate modifications to guarantee that there is a good dispersion of fibers. The main purpose of such hybrid mixture was to enhance tensile and flexural strength, toughness, and crack resistance, as well as imply the contribution to environmentally friendly construction procedures. To have a better knowledge, the amounts of the materials were also presented in percentages of the total mix. The hybrid fiber concrete should also be superior to the conventional M30 concrete, especially the control of cracks, toughness and long life performance.

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Experiment on the Performance of Hybrid Fiber Reinforced Concrete when Steel Fiber, Glass Fiber, and Fly Ash are Included in the Mix in M30 Grade

  • 会议论文

  • 发表日期：

    2026年

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  • Jaypal K. Contractor,
  • Vrajesh M. Patel

摘要

This paper dwells upon the performance of M30 grade hybrid fiber-reinforced concrete (HFRC) that was developed based on the combination of steel fibers, glass fibers and fly ash. In order to enhance the strength and durability, steel fibers of 50 mm in length and 0.75 mm in diameter were incorporated at the dosage of 24.5 kg/m 3 (0.31% by volume). In addition to this, there were alkali-resistant glass fibers of length of 24 mm and diameter of 1–2 0 m at 15.63 kg/m3 (0.62 by volume). To ensure the cement was more sustainable, 20% cement has been substituted with fly ash and this means that there has been a reduction in cement consumption with no negativity to quality. The concrete mix was prepared according to the IS 10262, with appropriate modifications to guarantee that there is a good dispersion of fibers. The main purpose of such hybrid mixture was to enhance tensile and flexural strength, toughness, and crack resistance, as well as imply the contribution to environmentally friendly construction procedures. To have a better knowledge, the amounts of the materials were also presented in percentages of the total mix. The hybrid fiber concrete should also be superior to the conventional M30 concrete, especially the control of cracks, toughness and long life performance.