Numerical simulations on the flexural responses of rubberised concrete

Ali Al-Balhawi*, Nura Jasim Muhammed, Haider Amer Mushatat, Hadi Naser Ghadhban Al-Maliki, Binsheng Zhang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

The increase in world population has led to a significant increase in the numbers of cars and used tyres. These tyres must be disposed of on an ongoing basis as a result of their consumption or deterioration. This can result in negative effects on the environment that must be preserved, especially from those materials, i.e., these waste materials are difficult to dispose of without special treatments. Hence, extensive experimental investigations and numerical simulations need to be conducted to use and recycle these wastes by exploring the possibility of using them as alternative ingredients in construction materials. For example, waste rubber pieces can be used as one of the main components of concrete. In this study, the main aim was to numerically simulate the flexural behaviours of rubberised concrete under the influence of an applied vertical loading with different contents of added rubbers by using the commercial finite element software ANSYS. The obtained numerical results were compared with the experimental results of a previous study and showed a good agreement with the deflections and moduli of rupture, with the variances from 2–7% in the deflections. However, the differences in the moduli of rupture varied between 5% and 9%. Finally, the statistical analyses indicated that these numerical mean values and standard deviations were acceptable and were very close to the experimental values.
Original languageEnglish
Article number590
Number of pages16
JournalBuildings
Volume12
Issue number5
DOIs
Publication statusPublished - 2 May 2022

Keywords

  • numerical analysis
  • ANSYS
  • rubberised concrete
  • lightweight aggregate
  • flexural test
  • deflection
  • modulus of rupture

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