Punching shear behavior of recycled aggregate concrete slabs with and without steel fibres

  • Jianzhuang XiaoEmail author
  • Wan Wang
  • Zhengjiu Zhou
  • Mathews M. Tawana
Research Article


A study on the punching shear behavior of 8 slabs with recycled aggregate concrete (RAC) was carried out. The two main factors considered were the recycled coarse aggregate (RCA) replacement percentage and the steel fibre volumetric ratio. The failure pattern, load-displacement curves, energy consumption, and the punching shear capacity of the slabs were intensively investigated. It was concluded that the punching shear capacity, ductility and energy consumption decreased with the increase of RCA replacement percentage. Research findings indicated that the incorporation of steel fibres could not only improve the energy dissipation capacity and the punching shear capacity of the slab, but also effectively improve the integrity of the slab tension surface and thereby changing the trend from typical punching failure pattern to bending-punching failure pattern. On the basis of the test, the punching shear capacity formula of RAC slabs with and without steel fibres was proposed and discussed.


recycled aggregate concrete steel fibres slab punching shear recycled coarse aggregates replacement percentage 


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The authors wish to acknowledge the financial support from the National Natural Science Foundation of China (NSFC) (Grant No. 51438007 and 51661145023). Mr. Chunhui Wang is acknowledged for his assistance during the revision.


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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Jianzhuang Xiao
    • 1
    Email author
  • Wan Wang
    • 1
  • Zhengjiu Zhou
    • 1
  • Mathews M. Tawana
    • 1
  1. 1.Department of Structural EngineeringTongji UniversityShanghaiChina

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