Experimental Investigation of High Strength Geopolymer Concrete

Abel Alemayehu¹

¹PG Student, Department of Civil Engineering,
Vel Tech Rangarajan Dr.Sagunthala Institute of Science and Technology, Chennai, India.

Abstract

Globally there has been a growing demand for new construction materials that have low greenhouse gas emissions and effect sustainability during the past few decades. The boom in the industrial sectors has paved the way for the consumption of cement and other natural resources in a massive manner. Depletion of these natural resources at such an alarming rate could affect sustainability with nothing to be conserved for our future generations. The main objective of any research is to discover a new or environmentally friendly product. All Geopolymer concrete mixes were prepared for different molarity and cured in direct sunlight. Geopolymer concrete specimens are a study for workability, compressive strength, split tensile strength, and flexure strength. The cost savings in the production of G60 over M60 is 11.25% and 7.8% for molality of NaOH 16M and 18M respectively. The average compressive strength developed by geopolymer concrete (GPC) at 7 days is about 80% - 86% of the 28 days strength. The average splitting tensile strength developed by GPC at 7 days is about 50% - 60% of the 28 days strength. The average flexural strength developed by GPC at 7 days is about 62% -74% of the 28 days strength. In general,for both 16M and 18M concentration of NaOH in GPC attains higher early strength when compared to the corresponding ordinary Portland cement concrete.

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Cite this Article as Follows

Abel Alemayehu. Experimental Investigation of High Strength Geopolymer Concrete. International Conference on Global Environmental Changes and Sustainable Development (2019): 39. Print.