Influence of various parameters on strength and absorption properties of fly ash based geopolymer concrete designed by Taguchi method

摘要

The paper presents the influence of various parameters on compressive strength and water absorption properties of fly ash based geopolymer concrete mixtures optimized by Taguchi method. A total of sixteen mixtures were evaluated considering the effect of inclusion of ordinary Portland cement as fly ash replacement, different molarities of sodium hydroxide solution and different curing temperatures. Analysis of variance was employed to study their influence on compressive strength and water absorption. Also, using multiple regression analysis, mathematical models were developed for both the properties followed by their confirmation test results.