Slag-Based Geopolymer Concrete as Reinforced Concrete Jacketing Agent
Publication: Journal of Materials in Civil Engineering
Volume 33, Issue 7
Abstract
The acceptance of geopolymeric systems in construction industry as an alternative to portland cement has paved the way for using it in the strengthening of reinforced concrete structures. In this regard, a study was carried out to develop a novel method of strengthening reinforced concrete beams by jacketing using ultrafine blast-furnace slag-based geopolymer. The reinforced concrete beams were in a fully damaged, partially damaged, or undamaged state prior to jacketing. Geopolymer concrete (GPC) exhibited appreciable performance as a jacketing agent. The results of GPC-jacketed beams in terms of strength, ductility, and stiffness degradation were superior compared to portland cement concrete (PCC). GPC-jacketed beams exhibited appreciable performance even at the early age of three days. The levels of damage also influenced the behavior of the jacketed beams.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The authors gratefully acknowledge the help and support extended by Counto Microfine Products Private Limited, India, Fosroc Chemicals India Private Limited, India, and Dalmia Bharat Limited by providing materials required for the laboratory tests in the current research at IIT Guwahati, Jorhat Engineering College, and NIT Mizoram.
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Published In
Journal of Materials in Civil Engineering
Volume 33 • Issue 7 • July 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Feb 7, 2019
Accepted: Dec 1, 2020
Published online: Apr 28, 2021
Published in print: Jul 1, 2021
Discussion open until: Sep 28, 2021
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