International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 04 | Apr 2024
p-ISSN: 2395-0072
www.irjet.net
EXPERIMENTAL INVESTIGATION ON PLASTIC WASTE REPLACEMENT OF COARSE AGGREGATE IN CONCRETE: A REVIEW Abhinay Kumar Srivastava1, Mr. Ushendra Kumar2 1Master of Technology, Civil Engineering, Lucknow Institute of Technology, Lucknow, India
2Head of Department, Department of Civil Engineering, Lucknow Institute of Technology, Lucknow, India
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Abstract - Concrete production, a cornerstone of modern
aggregates, further fueling the momentum towards commercialization. Regulatory support and policy initiatives bolstered this momentum, incentivizing companies to embrace recycled materials in construction practices. Today, ongoing research endeavors and collaborative partnerships continue to drive innovation in plastic waste utilization, underscoring the industry's commitment to sustainable development and environmental stewardship.
construction, is a significant contributor to environmental degradation due to its heavy reliance on natural resources, particularly coarse aggregates. The growing concern over environmental sustainability has prompted researchers to explore alternative materials to replace traditional aggregates. Among these alternatives, plastic waste emerges as a promising candidate due to its abundance and detrimental environmental impacts if not properly managed. This review paper synthesizes the findings of experimental investigations conducted on the replacement of coarse aggregates with plastic waste in concrete mixes. It comprehensively examines the effects of varying plastic aggregate proportions on the mechanical, durability, and microstructural properties of concrete. Additionally, the paper evaluates the influence of different types of plastic waste, processing methods, and chemical treatments on the performance of plastic-modified concrete. Furthermore, environmental implications, economic feasibility, and practical considerations associated with incorporating plastic waste into concrete mixes are discussed. The review underscores the potential of utilizing plastic waste as a sustainable alternative to traditional coarse aggregates in concrete production, while also highlighting challenges and opportunities for further research and implementation in the construction industry.
2.INTRODUCTION TO PLASTIC CONSTRUCTION MATERIALS
1.BACKGROUND The integration of plastic waste as a substitute for coarse aggregate in concrete represents a progressive response to the escalating crisis of plastic pollution. Stemming from the mid-20th century surge in plastic production, concerns over environmental degradation prompted a shift towards exploring sustainable solutions for plastic waste management. Through rigorous research and development efforts initiated in the early 2000s, engineers and researchers embarked on a journey to assess the viability of incorporating plastic waste into concrete mixes. Experimental projects conducted throughout the 2000s and early 2010s served as pivotal milestones, providing valuable insights into the mechanical properties, durability, and environmental impact of plastic-infused concrete. Advancements in material science and concrete technology facilitated the transformation of plastic waste into suitable
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Impact Factor value: 8.226
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In recent years, there has been a notable surge in interest regarding the integration of plastic waste into construction materials, driven by growing concerns over environmental sustainability. This approach involves repurposing recycled plastic into various construction components, ranging from plastic lumber and paving blocks to roofing tiles and insulation materials. Advocates highlight several benefits of incorporating recycled plastic in construction, including diverting plastic from landfills and oceans, conserving natural resources by substituting them with recycled materials, and potentially lowering energy consumption compared to traditional manufacturing processes. However, challenges persist, such as ensuring the quality and durability of these materials, addressing concerns about potential contamination or degradation, and establishing adequate recycling infrastructure. Despite these hurdles, ongoing research and innovation, coupled with increasing public awareness, suggest a promising trajectory for the utilization of plastic waste in construction materials, fostering a more sustainable approach to building practices.
Key Words: Concrete, Plastic waste, Coarse aggregate replacement, Sustainability, Environmental impact.
© 2024, IRJET
WASTE
3.TYPES OF PLASTIC WASTE USED IN CONCRETE Plastic waste can be incorporated into concrete in various forms to enhance its properties and contribute to sustainable construction practices. Some common types of plastic waste used in concrete include: 1. 2. 3. 4. 5. 6.
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Polyethylene (PE) Polypropylene (PP) Polyethylene Terephthalate (PET) Polystyrene (PS) Polyvinyl Chloride (PVC) Mixed Plastics
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