International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 09 | Sep 2024
p-ISSN: 2395-0072
www.irjet.net
Optimized Mix Design of Lightweight Concrete Incorporating EPS Beads and Fly Ash BHARATH KUMAR SALIMATH Department of Civil Engineering,VNCE Shorapur. ---------------------------------------------------------------------------***---------------------------------------------------------------------ABSTRACT This study presents an optimized mix design for lightweight concrete incorporating Expanded Polystyrene (EPS) beads and fly ash, aiming to balance workability, reduced density, and adequate mechanical properties. The research evaluates the impact of varying proportions of EPS beads and fly ash on the concrete's fresh and hardened properties, including slump, compressive strength, tensile strength, and density. The mix design process involves systematic adjustments and empirical testing to ensure the mix meets practical and structural requirements. Results indicate that Mix 1, with balanced EPS and fly ash content, achieves the best combination of lightweight benefits and structural performance. This mix design is particularly suitable for applications requiring reduced weight without compromising strength, such as in multi-story buildings and infrastructure projects. The study highlights the potential of using recycled materials in concrete production, promoting sustainability and environmental efficiency.
Keywords Lightweight concrete, EPS beads, fly ash, mix design, workability, compressive strength, tensile strength, density, sustainable construction, concrete properties. CHAPTER -1
INTRODUCTION Introduction to Concrete Concrete is a widely used construction material composed of cement, water, aggregates (such as sand and gravel), and often various additives to modify its properties. It is identified for its flexibility, durability, and strength, making it a fundamental material in the construction industry. Concrete's ability to be molded into various shapes and its excellent compressive strength make it suitable for a extensive range of applications, from buildings and bridges to roads and dams. Introduction to Lightweight Concrete Lightweight concrete is a type of concrete characterized by a lower density compared to traditional concrete. This reduction in density is achieved by using lightweight aggregates, such as expanded polystyrene (EPS), pumice, perlite, or by introducing air pockets through foaming agents. The density of lightweigh concete typically ranges from 800 to 2000 kg/m³, compared to 2400 to 2600 kg/m³ for traditional concrete. Necessity of Lightweight Concrete 1.
Weight Reduction: o
Structural Efficiency: Reduced weight decreases the load on foundations and structural elements, allowing for more efficient designs and potentially reducing the total cost of resources and labor.
o
Transportation and Handling: Easier and more cost-effective to transport and handle on construction sites, especially for precast elements.
© 2024, IRJET
|
Impact Factor value: 8.315
|
ISO 9001:2008 Certified Journal
|
Page 248