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A Comparative Study on Strength and Durability Aspects of fly ash- GGBS based Geopolymer Concrete over Conventional Concrete


A Comparative Study on Strength and Durability Aspects of fly ash- GGBS based Geopolymer Concrete over Conventional Concrete
Authors : Sapna Rathod, Girish Hombal
Publication Date: 29-06-2017

Authors

Author(s):  Sapna Rathod, Girish Hombal

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 06 , June - 2017

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV6IS060435

Abstract

Concrete is known to be the most versatile, durable and reliable construction material. It is the second most used material after water which inculcates huge quantity of Portland cement. Production of Ordinary Portland Cement is the second major generator of carbon dioxide, which pollutes the atmosphere. The main aim of this study is concern towards the environment. Geopolymer is the factor which neither uses Portland cement nor releases greenhouse gases. In the present study the feasibility of industrial by-products i.e.; Fly Ash (FA) and Ground Granulated Blast Furnace Slag (GGBS) powder as eco-friendly and sustainable is studied. The Alkaline solutions used are sodium hydroxide (NaOH) and sodium silicate (Na2SiO3). The study includes casting of Geopolymer concrete and conventional concrete specimens and tested for different ages for both strength and durability. The results show that Geopolymer concrete gives good strength compared to conventional concrete. Thus, the Geopolymer concrete can be considered to be an environmentally pollution free construction material.

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