Flexural Behavior of Non-Biodegradable Plastic PET Bottles as a Part of Reinforcement in Beams

Document Type : Research Note

Authors

1 Assistant Professor, Department of Civil Engineering, Mepco Schlenk Engineering College, Sivakasi, Tamil Nadu, India

2 UG Student, Department of Civil Engineering, Mepco Schlenk Engineering College, Sivakasi, Tamil Nadu, India

Abstract

Bottles made with polyethylene terephthalate (PET) will never biodegrade. These are banned due to their adverse effect on the environment. The prohibition of plastic extends to items like plastic cups, plates, and packaging, in addition to plastic bags. At this juncture, Recycling or reusing plastic waste is crucial to protect the environment. Hence, it is decided to reuse the PET bottles in this research work. In this research, it is decided to reuse the PET bottles by cutting them into 20 mm wide strips and wrapping them around the steel bar in such a way that both behave monolithically as a part of the reinforcement in the reinforced concrete element. It is proposed to do an experimental investigation by conducting a flexural test on the beams. Cast using a single plastic strip wrapped partially around the 8 mm diameter steel bar located in the tension zone and also using a double wrap partially around the 8 mm diameter steel bar located in the tension zone. The findings are to be compared with the conventional concrete beam and the PET-wrapped beam has gone under nearly 18% higher deflection than the conventional beam. And, also the double-strip wrapped beam undergoes deflection of up to 5% higher than the single-wrapped beam under the same load.

Graphical Abstract

Flexural Behavior of Non-Biodegradable Plastic PET Bottles as a Part of Reinforcement in Beams

Highlights

  • Incorporating PET fibers into the concrete enhances energy absorption.
  • PET fibers greatly improve the malleability of concrete.
  • The shape of PET fibers has an impact on reducing post-cracks in concrete when PET is used.
  • The PET-wrapped bars prevent the corrosion of steel reinforcement and thus increases it’s lifespan.
  • The PET Strip wrapped bar offers a 2.5% higher tensile strength than the plain Bar.

Keywords

Main Subjects

References

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History

  • Receive Date: 07 October 2024
  • Revise Date: 25 November 2024
  • Accept Date: 15 January 2025

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