Seismic Behavior of Self-Centering Modular Panel with Slit Steel Plate Shear Walls: Experimental Testing
Publication: Journal of Structural Engineering
Volume 144, Issue 1
Abstract
The self-centering modular panel with a slit steel plate shear wall (SCMP-SW) is a new seismic load-resisting structural component that combines recentering capabilities and energy dissipation ability. The self-centering modular panel is designed as a posttensioned steel moment resisting frame and in this study two types of SCMP-SWs with slightly different configurations are fabricated and tested, which could be potentially inserted into framed structural systems. In this paper, the prefabricated SCMP-SW is installed into a beam-through steel frame, while the slit wall is intended to serve as replaceable fuse elements for energy dissipation purposes. A series of experimental tests were conducted to investigate the cyclic loading behavior of the SCMP-SW with two different types of self-centering modular panels and slit walls. The experimental results show that SCMP-SW is capable of recentering upon unloading while retaining the moderate energy-dissipation capacity of the slit walls. It is also observed that due to the self-centering modular panel, after severe cyclic loading the system with newly replaced slit walls and a reused main frame exhibits almost identical structural performance (stiffness, strength, and recentering ability) to the original system.
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Acknowledgments
Financial support for this study was provided by the Natural Science Foundation of China (NSFC) with Grant No. 51778459, the State Key Laboratory of Disaster Reduction in Civil Engineering under Open Fund Award No. SLDRCE14-04, and “Shuguang Program“ supported by Shanghai Education Development Foundation and Shanghai Municipal Education Commission. Any opinions, findings, conclusions, and recommendations presented in this paper are those of the writers and do not necessarily reflect the views of the sponsors.
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Published In
Journal of Structural Engineering
Volume 144 • Issue 1 • January 2018
Copyright
©2017 American Society of Civil Engineers.
History
Received: Mar 9, 2017
Accepted: Jul 6, 2017
Published online: Nov 10, 2017
Published in print: Jan 1, 2018
Discussion open until: Apr 10, 2018
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