Experimental and Numerical Investigation of RC Beam-Column Subassemblies Strengthened with Spiral Reinforcement under Seismic Loading
Publication: Practice Periodical on Structural Design and Construction
Volume 27, Issue 2
Abstract
This research work presents experimental and numerical findings of continuous rectangular spiral shear reinforcement of beam-column connections subjected to seismic type loading. A total of four exterior beam-column subassemblies with continuous, spirally bound, rectangular reinforcements and conventional stirrups as closed manner control specimens were considered. For the spirally strengthened specimens, three different stirrups angle inclines (75°, 80°, 85°) were adopted, and their performances were compared in terms of hysteresis pattern, failure behavior, skeleton curve, stiffness degradation, and energy dissipation. Specimens with stirrups inclination angles of 75°, 80°, and 85° exhibited 14%, 28%, and 19% improvements in terms of load-carrying capability over the referred specimen, respectively. In addition to that, a numerical investigation was also carried out using ATENA version 5.3.4 finite element software to validate the experimental result. The developed numerical model shows good correlation with the experimental result and can be used in the design of spiral-strengthened reinforced concrete (RC) members.
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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 would like to express their gratitude for the financial support received from the Director, National Institute of Technology, Silchar. India.
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Published In
Practice Periodical on Structural Design and Construction
Volume 27 • Issue 2 • May 2022
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Jul 7, 2021
Accepted: Nov 21, 2021
Published online: Feb 25, 2022
Published in print: May 1, 2022
Discussion open until: Jul 25, 2022
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