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The decommissioning of wind turbines over coming decades highlights the need to establish a method for their recyclingRecycling. Raw-Crushed Wind-Turbine Blade (RCWTB)Raw-crushed wind-turbine blade is a material containing Glass Fiber-Reinforced Polymer (GFRP) composite, spherical balsa wood particles, and polyurethane. It is produced by non-selective cutting and crushing of wind-turbine bladesWind-turbine blade. In this research, the behavior of five concreteConcrete mixtures with RCWTB global volumetric additions up to 6.0% is evaluated through different mechanical and durability tests. The mechanical propertiesMechanical properties under evaluation underwent no significant deterioration and some improvements were even observed, due to the fiber bridging effect within the cementitious matrix. With regard to durability, it was observed that the higher the RCWTB content, the higher the water absorption rate of the concreteConcrete samples. Water intake can also be the main entry point of aggressive agents into a concreteConcrete matrix. Even so, the results were in all cases indicative of good quality concretesConcrete.

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Recycling of Raw-Crushed Wind-Turbine Blade for Concrete Production: Mechanical and Durability Performance

  • 会议论文

  • 发表日期：

    2025年

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  • Vanesa Ortega-López,
  • Javier Manso-Morato,
  • Chaimae Mourou,
  • Manuel Hernando-Revenga,
  • Víctor Revilla-Cuesta,
  • Flora Faleschini

摘要

The decommissioning of wind turbines over coming decades highlights the need to establish a method for their recyclingRecycling. Raw-Crushed Wind-Turbine Blade (RCWTB)Raw-crushed wind-turbine blade is a material containing Glass Fiber-Reinforced Polymer (GFRP) composite, spherical balsa wood particles, and polyurethane. It is produced by non-selective cutting and crushing of wind-turbine bladesWind-turbine blade. In this research, the behavior of five concreteConcrete mixtures with RCWTB global volumetric additions up to 6.0% is evaluated through different mechanical and durability tests. The mechanical propertiesMechanical properties under evaluation underwent no significant deterioration and some improvements were even observed, due to the fiber bridging effect within the cementitious matrix. With regard to durability, it was observed that the higher the RCWTB content, the higher the water absorption rate of the concreteConcrete samples. Water intake can also be the main entry point of aggressive agents into a concreteConcrete matrix. Even so, the results were in all cases indicative of good quality concretesConcrete.