Mechanical and Microstructural Properties of Bagasse Ash based Geopolymer Concrete
Savitha T M1, Y M Manjunath2, Dilip Srinivas3

1Savitha T M, is pursuing M. Tech. degree in Structural Engineering from National Institute of Engineering (NIE), Mysore, Karnataka, 570008, India.
2Dr. Y. M. Manjunath, is working as a Professor in Department of Civil Engineering, National Institute of Engineering (NIE), Mysore, Karnataka, 570008, India.
3Dilip Srinivas, working as Assistant Manager in L & T CTEA, Mysore, Karnataka, India.

Manuscript received on 30 June 2019 | Revised Manuscript received on 05 July 2019 | Manuscript published on 30 July 2019 | PP: 2454-2461 | Volume-8 Issue-9, July 2019 | Retrieval Number: I7830078919/19©BEIESP | DOI: 10.35940/ijitee.I7830.078919
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Abstract: Cement manufacturing industries which emits about 7% of CO2 to the environment causing pollution. So, in order to avoid pollution problems there is a need to find an alternative binding material. Wastes like agricultural or industrial in the form of ash can be utilized as a substitute for cement. In this research work, Ground Granulated Blast-furnace Slag(GGBS) and Sugarcane Bagasse ash(SCBA) is used as a complete replacement to cement so as to form Geopolymer concrete(GPC). Two different SCBA sources which has high amount of silica content is considered for the partial replacement of GGBS in varying percentages like 5%, 10%, 15%, 20%, 25%, 30% to determine mechanical and microstructure properties. A 5M alkaline solutions of Sodium hydroxide and Sodium silicate is used. In this work, mechanical properties of GGBS-SCBA based GPC which includes compressive strength, split tensile strength, flexural strength and microstructure properties of SCBA samples by X-ray Fluorescence(XRF), Energy Dispersive spectroscopy(EDS), X-ray Diffractometer(XRD), Scanning Electronic Microscope(SEM) techniques are determined and analyzed on different GPC mix proportions.
keyword: Geopolymer concrete, Ground Granulated Blast-furnace Slag, Strength, Sugarcane Bagasse ash.

Scope of the Article: Mechanical Design