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http://dx.doi.org/10.12989/cac.2017.19.6.737

Probabilistic modeling of geopolymer concrete using response surface methodology  

Kathirvel, Parthiban (School of Civil Engineering, SASTRA University)
Kaliyaperumal, Saravana Raja Mohan (School of Civil Engineering, SASTRA University)
Publication Information
Computers and Concrete / v.19, no.6, 2017 , pp. 737-744 More about this Journal
Abstract
Geopolymer Concrete is typically proportioned with activator solution leading to moderately high material cost. Such cost can be enduring in high value added applications especially when cost savings can be recognized in terms of reduction in size of the members. Proper material selection and mix proportioning can diminish the material cost. In the present investigation, a total of 27 mixes were arrived considering the mix parameters as liquid-binder ratio, slag content and sodium hydroxide concentration to study the mechanical properties of geopolymer concrete (GPC) mixes such as compressive strength, split tensile strength and flexural strength. The derived statistical Response Surface Methodology is beleaguered to develop cost effective GPC mixes. The estimated responses are not likely to contrast in linear mode with selected variables; a plan was selected to enable the model of any response in a quadratic manner. The results reveals that a fair correlation between the experimental and the predicted strengths.
Keywords
geopolymer concrete; slag; mechanical properties; response surface methodology; box-behnken design;
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Times Cited By KSCI : 5  (Citation Analysis)
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