Experimental and Numerical Studies on Geopolymer Concrete Beams under Cyclic Loading
Publication: Practice Periodical on Structural Design and Construction
Volume 27, Issue 1
Abstract
Geopolymer concrete is a novel concrete that uses industrial wastes for its production process. The application of geopolymer concrete in construction is lower due to the dearth of sufficient information about the performance of structural elements with geopolymer concrete. A detailed experimental and numerical analysis was conducted to evaluate the flexural performance of ground granulated blast furnace slag (GGBS)-dolomite geopolymer concrete beams under cyclic loading. The effect of fibers on the performance of geopolymer concrete was studied by adding steel fibers in 0.25%, 0.50%, and 0.75% by volume of concrete. The behavior of geopolymer concrete beams, such as load-deflection characteristics, first crack load, ultimate load, ductility index, and crack pattern, were identified and compared with cement concrete beams. The ductility index was improved by 11%–44% with the addition of steel fibers at 0.25%–0.75% by volume of concrete. The cost to ultimate load ratio was 16% more in cement concrete than that of geopolymer concrete.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
This publication resulted from research supported by Kerala State Council for Science, Technology and Environment (TDAP/01/2017/KSCSTE), Kerala, India.
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Published In
Practice Periodical on Structural Design and Construction
Volume 27 • Issue 1 • February 2022
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Jan 7, 2021
Accepted: Aug 8, 2021
Published online: Sep 22, 2021
Published in print: Feb 1, 2022
Discussion open until: Feb 22, 2022
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