International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 03 | Mar 2024
p-ISSN: 2395-0072
www.irjet.net
UTILIZATION OF FLY ASH AND COPPER SLAG FOR HIGH STRENGTH CONCRETE: REVIEW Rahul1, Er Rohit Kumar2, Dr Gurvinder Singh3 1Mtech scholar, Department of Civil Engineering, Arni University, Kangra 2Assistant Professor, Department of Civil Engineering, Arni University, Kangra
3 Associate Professor, Department of Computer Science and Application, Arni University, Kangra
-----------------------------------------------------------------------***------------------------------------------------------------------Abstract: Concrete, as a pivotal construction material, has undergone significant evolution over centuries to meet diverse architectural and engineering needs worldwide. This paper explores the global significance of concrete and its recent trends towards sustainable practices driven by environmental concerns and the imperative for resource efficiency. In the context of India, where concrete plays a crucial role in infrastructure development, emphasis is placed on its versatility and durability, making it a preferred choice for various construction projects. Despite challenges such as raw material availability and quality control, ongoing research and development efforts aim to address these issues and ensure the continued growth and improvement of the concrete sector in India. The paper reviews pertinent literature, highlighting studies on the incorporation of fly ash and copper slag in concrete production, and evaluates their impact on mechanical properties. Additionally, it discusses the potential of non-destructive testing (NDT) methods in assessing concrete properties and identifies gaps in existing research, particularly regarding long-term performance, durability studies, and the combined effects of waste materials. The primary objective of this study is to establish the reliability of NDT as an alternative to destructive testing methods and address gaps in the current body of knowledge. This research contributes to advancing concrete technology, optimizing construction practices, and promoting sustainability in the Indian construction industry.
Keywords: Concrete Mix M60 grade, Fly Ash, Cooper Slag, High Strength Concrete 1. INTRODUCTION We discuss the global significance of concrete as a crucial construction material and its evolution over centuries to meet diverse architectural and engineering needs. Emphasis is placed on recent trends in sustainable practices within the concrete industry, driven by a growing awareness of environmental impacts and the need for resource efficiency. In the context of India, concrete plays a pivotal role in infrastructure development, fueled by rapid urbanization and ambitious government initiatives. Its versatility and durability make it a preferred choice for various construction projects, from residential buildings to large-scale infrastructure. The over utilization highlights the adoption of sustainable practices in India's concrete industry, including the use of eco-friendly materials and optimized mix designs to mitigate environmental impact. Despite challenges such as raw material availability and quality control, ongoing research and development efforts aim to address these issues and ensure the continued growth and improvement of the concrete sector in India. Overall, concrete in India is not merely a construction material but a symbol of the nation's progress and development, shaping its infrastructure and architectural landscape as it continues to modernize and grow.
2. LITERATURE REVIEW 2.1 Tiwary, A.K. and Bhatia, S., along with their team in 2022, aimed to determine the optimal percentage of fly ash and copper slag substitutions in concrete, focusing on their influence on mechanical characteristics. They employed M40 grade concrete with fly ash replacing cement by 20% and copper slag substituting fine aggregate by varying percentages (0%, 15%, 30%, 45%, and 60%).Various aspects were considered to assess the combined effect of these waste materials. The results indicated that substituting copper slag for more than 30% of fine aggregates led to decreased strengths due to its low water retention rate. However, concrete with 20% fly ash replacement as cement and 30% copper slag replacement as fine aggregates exhibited improved flexural strength, split tensile strength, and compressive strength. Furthermore, the study found that the ultrasonic pulse velocity was highest for the concrete mix containing 20% fly ash and 30% copper slag substitutions. This suggests that this particular combination resulted in enhanced concrete quality, potentially due to improved bonding and densification within the material. Overall, the findings underscore the potential of incorporating fly ash and copper slag as sustainable alternatives in concrete production, highlighting their positive impact on mechanical
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