International Journal of Advanced
Science and Engineering Research
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STRENGTH AND DURABILITY STUDY ON GEOPOLYMER CONCRETE BY USING FLYASH AND GGBS
Abstract
Abstract: The increases in the production of Portland cement many causes greater concern because of high
carbon content. This research focuses on complete elimination of Portland cement for production of
concrete. Geo-polymer concrete utilizes an alternate material including fly ash as binding material in place
of cement. This fly ash reacts with alkaline solution (e.g. NaOH) and Sodium silicate (Na2SiO3) to form a
gel which binds the fine and coarse aggregates. fly ash as a base source material and silica fume as
replacements of fly ash by 5%, 10%, 15%, 20%. And also Bacillus Bacterias are induced in various
proportions like 0.1%, 0.2 % and 0.3% for achieving the self-Healing property and also for enhancing the
the strength characteristics. Concrete cubes of 150 X 150 X 150 mm were prepared and cured under steam
curing for 24 hours. Concrete cylinders of size 150 X 150 X 300mm and Concrete beams of size of 100
X100 X500 mm were also steam cured at 60°C. The silica fume was varied in proportion and results were
compared with ordinary Geo-polymer concrete. And the respective strength gets achieved