AN EXPERIMENTAL INVESTIGATION ON FRESH AND MECHANICAL PROPERTIES OF GGBFS AND FLYASH BASED GEOPOLYMER CONCRETE
Author(s):
Sre Adethya V, Dinakar B, Mithun M, Raja G, Pavithra K
Keywords:
Geopolymer concrete, Class F Flyash, GGBFS, Slump cone, Compressive strength , Tensile strength.
Abstract
The Cement contributes nearly 7% of the global carbon dioxide emission. Geo Polymer Concrete (GPC) is a special type of eco-friendly concrete alternative to Ordinary Cement concrete. This main aim of the research is to study the effect of class F Fly Ash (FA) and Ground Granulated Blast Furnace Slag (GGBFS) on the mechanical properties of Geo Polymer concrete (GPC) at different replacement levels using Sodium silicate (Na2SiO3) and sodium hydroxide (NaOH) solutions as alkaline activator. The cubes and cylinders were casted in different replacement levels 90% fly ash+10% GGBFS, 80% fly ash+20% GGBFS, 70% fly ash+30% GGBFS. The cubes and cylinders were cast and cured in three different ages 7 days, 14 days, 28 days in ambient temperature to determine fresh and mechanical properties of geopolymer concrete. For the fresh concrete slump cone test was carried out. In G1 mix we achieved workable concrete compared to other mixes. Compressive and split tensile strength test results reveal that increase in 80% flyash+20% GGBFS replacement enhanced the mechanical properties of Geo Polymer Concrete.
Article Details
Unique Paper ID: 154743

Publication Volume & Issue: Volume 8, Issue 12

Page(s): 266 - 272
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