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This study is carried out to determine the flexural strength of normal reinforced concrete beams and reinforced beams strengthened with CFRP plates. Near-surface mounting (NSM) was used to strengthen the beam with CFRP. The study uses the finite element method, where the finite element model is developed by using LUSAS version 19.0. There are three types of beams strengthened by CFRP: beam strengthened by horizontally positioned CFRP plate, beam strengthened by double vertically positioned CFRP plate, and beam strengthened by CFRP rod. In LUSAS, the CFRP is assigned by bonding the concrete with the CFRP plate. Besides, the technique of near-surface mounting is also assigned in the LUSAS by assigning the surface with epoxy and grooves. The mechanical properties of concrete, steel and link are reduced to 5% to assign as chloride penetration in the specimen beam strengthened by CFRP for 6 months. The result shows that flexural strength for the control beam is higher compared to the beam strengthened with CFRP.

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Finite Element Method of Chloride Penetration in Near Surface Mounted Composite at Six Months

  • 会议论文

  • 发表日期：

    2026年

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  • Amiruddin Mishad,
  • Mohd Hisbany Mohd Hashim,
  • Azmi Ibrahim,
  • Oh Chai Lian,
  • Siti Nur Hazirah Fauzi,
  • Alexender Gadwin Alex,
  • Mohd Raizamzamani Md Zain

摘要

This study is carried out to determine the flexural strength of normal reinforced concrete beams and reinforced beams strengthened with CFRP plates. Near-surface mounting (NSM) was used to strengthen the beam with CFRP. The study uses the finite element method, where the finite element model is developed by using LUSAS version 19.0. There are three types of beams strengthened by CFRP: beam strengthened by horizontally positioned CFRP plate, beam strengthened by double vertically positioned CFRP plate, and beam strengthened by CFRP rod. In LUSAS, the CFRP is assigned by bonding the concrete with the CFRP plate. Besides, the technique of near-surface mounting is also assigned in the LUSAS by assigning the surface with epoxy and grooves. The mechanical properties of concrete, steel and link are reduced to 5% to assign as chloride penetration in the specimen beam strengthened by CFRP for 6 months. The result shows that flexural strength for the control beam is higher compared to the beam strengthened with CFRP.