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<p>Concrete is a fundamental material widely used in construction, but its susceptibility to cracking under stress and its relatively low tensile strength pose significant challenges to structural integrity. This study investigates the effects of incorporating glass fiber into concrete to enhance its mechanical properties and overall durability. Various proportions of fiberglass were added to the concrete mixture to assess their impact on key properties, including compressive strength, bending strength, and energy absorption capacity. Three different glass fiber contents were tested, with fiber lengths standardized at 15&#xa0;mm. The results indicated a notable improvement in both compressive and tensile strengths with the addition of fiberglass. Specifically, the concrete mix with 1.625% fiberglass content exhibited the highest compressive strength of 29.726&#xa0;MPa, while the tensile strength reached 5.8&#xa0;MPa. These findings suggest that the inclusion of glass fibers can simultaneously enhance the mechanical performance and energy absorption capacity of concrete, offering a promising solution for improving the durability and longevity of concrete structures.</p>

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Enhancing concrete properties using glass fiber: experimental investigation

  • 期刊论文

  • 发表日期：

    2025年4月19日

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  • Liqaa Hashim Khudhair,
  • Omar Mezghanni,
  • Atef Daoud,
  • Bilel Hadrich

摘要

Concrete is a fundamental material widely used in construction, but its susceptibility to cracking under stress and its relatively low tensile strength pose significant challenges to structural integrity. This study investigates the effects of incorporating glass fiber into concrete to enhance its mechanical properties and overall durability. Various proportions of fiberglass were added to the concrete mixture to assess their impact on key properties, including compressive strength, bending strength, and energy absorption capacity. Three different glass fiber contents were tested, with fiber lengths standardized at 15 mm. The results indicated a notable improvement in both compressive and tensile strengths with the addition of fiberglass. Specifically, the concrete mix with 1.625% fiberglass content exhibited the highest compressive strength of 29.726 MPa, while the tensile strength reached 5.8 MPa. These findings suggest that the inclusion of glass fibers can simultaneously enhance the mechanical performance and energy absorption capacity of concrete, offering a promising solution for improving the durability and longevity of concrete structures.