EFFECTS OF FLY ASH AND BLAST FURNACE SLAG ON THE PERFORMANCE OF SELFCOMPACTING GEO-POLYMER CONCRETEJournal: International Journal of Civil Engineering and Technology (IJCIET) (Vol.9, No. 1)
Publication Date: 2018-01-27
Authors : A. DHAVAMANI; R. SUNDARARAJAN;
Page : 953-964
Keywords : alkaline solution; geo-polymer concrete; GGBS; fly ash; self-compacting concrete;
Multiple studies had created better understanding about the behavior of selfcompacting concrete and in the last decade it had gained wider usage when it comes to congested reinforcement. Experiments were conducted to observe the impact of replacing Cement by fly ash and ground granulated blast furnace slag (GGBS) by keeping the molarity of sodium hydroxide from 8M to 12 M, Binding materials used in this study are fly ash and GGBS which were taken in varying proportions.A 0.5 liquid to binder ratio was considered where the proportions of sodium silicate and sodium hydroxide solutions were kept constant as 2.5. Workability characteristics of fresh concrete were studied.When the molarity of the sodium hydroxide was reduced, there was significant reduction in the workability of the concrete. Moreover, high concentration of NaOH and GGBFS had showns an increase in the hardened concrete properties.
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