Effect of Magnetized Water on GPC with Recycled Tyre Steel Fibre as A Constituent

C Aiswarya Menon¹, M Sridhar²

¹PG Student, ²Assistant Professor, Department of Civil Engineering,
Vel Tech Rangarajan Dr.Sangunthala R&D Institute of Science and Technology, Chennai, India.

Abstract

Cement which is widely consumed for construction as a main constituent of conventional concrete is a major contributing element for nearly, 7% of global carbon dioxide and carbon monoxide emission. “Green Concrete” which results from the reaction of a source material that is rich in silica and alumina with alkaline solution, is used over conventional concrete and in this study, it is attempted to focus on producing Ground Granulated Blast Furnace Slag (GGBS) based GPC which ensures 100% replacement of cement. To attain economic viability and environmentally contributing actions, apart from using “Green Concrete”, study has made an approach to develop a new application by using the concept of tyre recycling which will use tyre- by- products, main focus on embedded steel wires inside the tyre as a constituent of GPC. Following this, a new attempt has been made by the incorporation of Magnetized water over Normal water in the GPC mix which expects to exhibit changes in GPC mix and its properties due to the influence of magnetism on the structure of magnetized water over normal water. Paper describes experimental study conducted on GPC samples prepared with magnetized water incorporating RTSF. To conduct a comparative analysis between the control GPC, magnetized GPC and RTSF magnetized GPC (hybrid GPC) in terms of workability, compressive and split tensile strength and durability. Water is passed through 1.2T permanent magnet for a duration of 4,6 and 8hrs with constant discharge. RTSF is added in a range of 0.25%-0.75% to the optimum magnetized GPC mix. Magnetized water has significantly improved the workability, durability, compressive and split tensile strength compared to control GPC. The optimum magnetization is obtained when water is magnetized for 6hrs. Optimum range of RTSF is 0.5%. Addition of RTSF reduces the workability but increases strength and durability. Magnetization increases the pH and reduces the hardness of water. This study proves to enhance the properties of hybrid mix compared to the controlled mix which open a new scope for this research in the construction sector.

Keywords

• Geopolymer Concrete, GGBS, Magnetized water, Permanent Magnet, Recycled Tyre Steel Fibre

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Cite this Article as Follows

C Aiswarya Menon, M Sridhar. Effect of Magnetized Water on GPC with Recycled Tyre Steel Fibre as A Constituent. International Conference on Global Environmental Changes and Sustainable Development (2019): 93. Print.