International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 11 Issue: 06 | Jun 2024
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p-ISSN: 2395-0072
Behavior Of Concrete Using Shredded PET Bottle Fibre as Partial Replacement Of Fine Aggregate Rajiv R. Chavarekar1, Yawar nazir2, Kamble Kishor Kashinath3, Kale Vinay Dattatraya4, Khandekar Vishal Ananda5, Kumbhar Akshay Sambhaji 6 1 Assistant Professor, Department of civil engineering, KITs College Engineering (Autonomous),
Kolhapur, Maharashtra, India
2,3,4,5,6 B.E Student, Department of civil engineering, KITs College Engineering (Autonomous),
Kolhapur, Maharashtra, India ---------------------------------------------------------------------***--------------------------------------------------------------------of conventional concrete involves significant environmental Abstract - Concrete, being one of the most widely used
impacts, including high energy consumption and depletion of natural resources. In recent years, there has been growing interest in developing sustainable alternatives to conventional concrete by incorporating recycled materials to reduce environmental footprints and enhance the long-term sustainability of construction practices.
construction materials globally, continually undergoes innovation to enhance its properties and sustainability. This study explores the viability of incorporating shredded PET (Polyethylene Terephthalate) bottle fibers as a partial replacement of fine aggregate in concrete mixes. The research aims to assess the mechanical, durability, and environmental aspects of such composite materials.
One such recycled material gaining attention is shredded PET (Polyethylene Terephthalate) bottle fibers, which are derived from post-consumer plastic waste. PET is commonly used in the production of beverage bottles, and its recycling presents an opportunity to mitigate plastic pollution while creating value-added products. The utilization of shredded PET fibers as a partial replacement of fine aggregate in concrete has emerged as a promising approach to address both environmental and engineering challenges in the construction industry.
The experimental investigation involves preparing concrete specimens with varying percentages of shredded PET fibers, replacing a portion of the fine aggregate. Mechanical properties such as compressive strength, tensile strength, and flexural strength are evaluated to understand the impact of PET fiber incorporation on the overall strength characteristics of concrete. Furthermore, durability aspects including resistance to chloride ion penetration, sulfate attack, and water absorption are examined to assess the durability performance of the composite.
The incorporation of shredded PET fibers in concrete offers several potential benefits. Firstly, it provides a sustainable solution for managing plastic waste by diverting PET bottles from landfills and utilizing them as reinforcement in concrete. Secondly, the use of recycled PET fibers can potentially improve the mechanical properties of concrete, such as enhancing flexural and tensile strength, as well as reducing shrinkage and cracking. Additionally, the lightweight nature of PET fibers may contribute to the overall density reduction of concrete, offering advantages in terms of structural design and transportation.
Moreover, the environmental implications of utilizing shredded PET fibers in concrete are analyzed. This includes investigating the reduction in carbon footprint attributed to the use of recycled PET materials and assessing any potential benefits in terms of energy consumption and waste management. The findings of this study aim to provide valuable insights into the feasibility and effectiveness of utilizing shredded PET bottle fibers as a sustainable alternative in concrete production. The outcomes could contribute to the development of environmentally friendly construction materials while addressing the challenges of waste management and resource conservation in the construction industry.
Despite the potential advantages, there are also challenges and uncertainties associated with the utilization of shredded PET fibers in concrete. These include concerns regarding the compatibility of PET fibers with cementitious materials, potential degradation over time, and the influence of fiber geometry and dosage on concrete properties. Therefore, comprehensive experimental investigations are essential to evaluate the behavior of concrete incorporating shredded PET fibers and to assess its suitability for various structural applications.
Key Words: Concrete, Cement, Fine aggregates, Coarse aggregates, PET bottles.
1.INTRODUCTION Concrete is a fundamental construction material widely used in various infrastructure projects globally due to its versatility, durability, and strength. However, the production
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