E3S Web Conf.
Volume 309, 20213rd International Conference on Design and Manufacturing Aspects for Sustainable Energy (ICMED-ICMPC 2021)
|Number of page(s)||5|
|Published online||07 October 2021|
Effect of various parameters on the workability and strength properties of geopolymer concrete
1 M. Tech (Structural Engineering), Department of Civil Engineering, GRIET, Hyderabad, India.
2 Professor of Civil Engineering, GRIET, Hyderabad, India.
3 Professor of Civil Engineering, CVR College of Engineering, Hyderabad, Telangana
4 Professor of Civil Engineering, VJIT, Hyderabad, India.
* Corresponding author: firstname.lastname@example.org
In the present study, effect of various molarities of NaOH, various fly ash content and alkaline activator solution (AAS) / fly ash(FA) ratios on the workability of geopolymer concrete(GPC) are studied along with the effect of use of Na2SiO3/NaOH and K2SiO3/KOH as alkaline activator solutions and various fly ash contents on the compressive strength of geopolymer concrete mixes. Observations shows that both Na2SiO3/NaOH and K2SiO3/KOH gives better performance for different molar, AAS/FA and oxide ratios. Class C GPC has better performance than Class F GPC. It was found that the increase in molarity decreases workability of geopolymer concrete. Also, the workability increases with increase in fly ash (FA) content and AAS/FA ratio in geopolymer concrete. Compressive and split tensile strengths decrease with increase in fly ash content.
© The Authors, published by EDP Sciences, 2021
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