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
A COMPARATIVE STUDY ON THE EFFECTS OF PARTIAL REPLACEMENT OF FINE AGGREGATE WITH MARBLE DUST IN CONCRETE Anil Kumar1, 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
---------------------------------------------------------------------***--------------------------------------------------------------------used a similar substance called "opus caementicium" in Abstract - Concrete is a versatile and commonly used construction material designed to withstand compressive stresses. The cost of sand production and utilization is higher, leading to various environmental issues. Sand is a natural product, but mining it along the Narmada River poses risks due to natural disasters. It is crucial to prepare for potential challenges in the future. The substance mistaken for dust is actually marble, a novel composite material that can enhance material efficiency in the concrete industry, yield economic advantages, and facilitate the construction of environmentally friendly, robust, and long-lasting structures. Lime can enhance the reactivity of marble dust, making it a viable option as a cement binder. Environmental issues are often a result of industrial waste, underscoring the importance of recycling. Annually, millions of metric tons of marble dust are produced globally during quarrying operations. The effective use of marble powder in concrete has significantly improved the material's ability to maintain its hardened state. To incorporate marble dust as a binding agent in concrete and mortar production, an analysis from both physical and chemical perspectives is necessary. Pure limestone transforms into marble through metamorphism, typically containing over 50% calcium oxide. By substituting sand with marble dust in concrete, we can reduce our environmental impact, save costs, and increase durability. Various mixtures of M20(1:1.5:3) grade concrete with marble dust replacing sand at different percentages were tested for compressive strength at 7 and 28 days using 150 mm x 150 mm x 150 mm cubes. Enhancing concrete with high-quality binding elements like marble dust can improve workability, durability, strength, fracture resistance, and permeability. Modifying the microstructure of cement composites in the future may enhance their compressive strength, flexural strength, split tensile strength, durability, and service life..
their architectural marvels. Today, concrete's applications are boundless, from towering skyscrapers to intricate bridges, and even humble sidewalks. Its adaptability allows for the realization of intricate designs while ensuring structural integrity. Beyond its strength, concrete offers thermal mass properties, aiding in temperature regulation within buildings. However, despite its durability, concrete production bears environmental consequences, notably due to cement manufacturing's high carbon footprint. Efforts are underway to innovate sustainable alternatives, such as using recycled materials or developing new cement formulations with reduced emissions. Concrete stands as a cornerstone of modern civilization, symbolizing both the ingenuity of human engineering and the ongoing pursuit of sustainable progress in construction practices.
Key Words: Concrete, marble dust, fine aggregate
Concrete is primarily composed of four main components:
replacement, sustainable construction, mechanical properties, compressive strength, tensile strength.
1.1.1.Binding Material
Figure-01: PPC Concrete
1.1.Component of the Concrete
Cement, the binding material in concrete, serves as the foundational component that imparts strength and cohesion to the mixture. Derived from a finely ground blend of limestone, clay, and other minerals, cement undergoes a chemical transformation when mixed with water, resulting in hydration. This hydration process forms a paste that coats and binds together the aggregates, filling the voids between particles. As the cement paste
1.CONCRETE Concrete, a ubiquitous material in modern construction, embodies the essence of durability and versatility. Composed primarily of cement, water, and aggregates such as sand and gravel, it forms a robust matrix capable of withstanding immense compressive forces. Its history traces back to ancient civilizations like the Romans who
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