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The use of thermoplastic resins in fibre reinforced polymer (FRP) reinforcement allows rebars to be bent after pultrusion with a bending radius similar to that of steel reinforcement, reducing the construction lead times. In addition, thermoplastic resin makes the rebar recyclable, boosting sustainability by recycling not only the production waste but potentially also the rebar waste coming from demolition or temporary structures. This paper presents current findings of the TOP-Crete project, which aims to develop highly durable reinforced concrete (RC) structures by using a new bendable, durable and recyclable embedded thermoplastic (TP) glass fibre reinforced polymer (FRP) reinforcement based on Elium® resin. To characterize the flexural and shear performance of concrete structures reinforced Glasspree TP FRP bars, numerical analyses have been conducted to support an experimental program which is currently under development.

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Durable and Recyclable Concrete Structures Reinforced with Thermoplastic GFRP Rebars

  • 会议论文

  • 发表日期：

    2026年

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  • Alejandro Nogales,
  • Matej Jurgoš,
  • Galo Ortiz,
  • Nikola Tošić,
  • Juan Murcia-Delso,
  • Gabriele Balconi,
  • Ðorđe Čairović,
  • František Girgle,
  • Petr Štěpánek,
  • Eva Oller

摘要

The use of thermoplastic resins in fibre reinforced polymer (FRP) reinforcement allows rebars to be bent after pultrusion with a bending radius similar to that of steel reinforcement, reducing the construction lead times. In addition, thermoplastic resin makes the rebar recyclable, boosting sustainability by recycling not only the production waste but potentially also the rebar waste coming from demolition or temporary structures. This paper presents current findings of the TOP-Crete project, which aims to develop highly durable reinforced concrete (RC) structures by using a new bendable, durable and recyclable embedded thermoplastic (TP) glass fibre reinforced polymer (FRP) reinforcement based on Elium® resin. To characterize the flexural and shear performance of concrete structures reinforced Glasspree TP FRP bars, numerical analyses have been conducted to support an experimental program which is currently under development.