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This chapter discusses the structural performance of recycled aggregate concrete (RAC) components, including beams, columns, shear walls, and slabs. It reviews experimental studies on the flexural and shear behaviors of RAC beams, highlighting the effects of longitudinal reinforcement content. The chapter compares RAC and natural aggregate concrete (NAC) beams, revealing that RAC beams exhibit lower cracking and ultimate load capacities. It also addresses the challenges of using RAC in precast concrete components, suggesting improvements in mix design and performance evaluation methods. The study advocates for more sustainable and reliable use of RAC in structural applications.

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Recycled Aggregate Concrete Components: Beams, Columns, Shear Walls and Slabs

  • 章节

  • 发表日期：

    2025年

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  • Belen González-Fonteboa,
  • Cesar Medina,
  • Fernando Abella Martinez,
  • Jianzhuang Xiao,
  • Sindy Seara-Paz

摘要

This chapter discusses the structural performance of recycled aggregate concrete (RAC) components, including beams, columns, shear walls, and slabs. It reviews experimental studies on the flexural and shear behaviors of RAC beams, highlighting the effects of longitudinal reinforcement content. The chapter compares RAC and natural aggregate concrete (NAC) beams, revealing that RAC beams exhibit lower cracking and ultimate load capacities. It also addresses the challenges of using RAC in precast concrete components, suggesting improvements in mix design and performance evaluation methods. The study advocates for more sustainable and reliable use of RAC in structural applications.