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In recent times, the use of Glass Fibre-Reinforced Polymer (GFRP) as an internal reinforcement has gained popularity as an alternative to conventional steel bars in construction projects. GFRP offers advantages such as being lightweight, rust-resistant, having high tensile strength, and performing well mechanically. An important benefit of employing GFRP bars for reinforcement is their ability to prolong the lifespan of concrete structures with reduced maintenance needs. The combination of lightweight concrete and FRP reinforcement results in a building component that possesses significant strength relative to its weight. This characteristic allows it to support heavy loads while maintaining a lightweight profile, which is advantageous for reducing overall building weight. In this study, we aim to determine the flexural and Shear strength of a lightweight concrete beam using the Canadian codes CSA and ACI FRP guidelines. Subsequently, a practical test will be conducted to evaluate its load-bearing capacity in real-world conditions. The obtained results will then be compared and subjected to in-depth analysis. This research centres around comparing the flexural strength of an FRP-reinforced lightweight concrete beam with the outcomes of the conducted test.

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Comparing Shear and Flexural Strength of the Lightweight Concrete Beams with GFRP Reinforcement and Testing as per CSA and ACI FRP Guidelines

  • 会议论文

  • 发表日期：

    2025年

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  • Saeid Haji Ghasemali,
  • Adrienne C. Rygel,
  • Emma Kielmeier,
  • Lucas Roy,
  • Waleed Safdar,
  • Cameron Hodson

摘要

In recent times, the use of Glass Fibre-Reinforced Polymer (GFRP) as an internal reinforcement has gained popularity as an alternative to conventional steel bars in construction projects. GFRP offers advantages such as being lightweight, rust-resistant, having high tensile strength, and performing well mechanically. An important benefit of employing GFRP bars for reinforcement is their ability to prolong the lifespan of concrete structures with reduced maintenance needs. The combination of lightweight concrete and FRP reinforcement results in a building component that possesses significant strength relative to its weight. This characteristic allows it to support heavy loads while maintaining a lightweight profile, which is advantageous for reducing overall building weight. In this study, we aim to determine the flexural and Shear strength of a lightweight concrete beam using the Canadian codes CSA and ACI FRP guidelines. Subsequently, a practical test will be conducted to evaluate its load-bearing capacity in real-world conditions. The obtained results will then be compared and subjected to in-depth analysis. This research centres around comparing the flexural strength of an FRP-reinforced lightweight concrete beam with the outcomes of the conducted test.