Experimental Investigation of the Seismic Behavior of Low-Yield-Point Corrugated Steel Plate Dampers
Publication: Journal of Structural Engineering
Volume 147, Issue 2
Abstract
In this paper, an innovative low-yield-point corrugated steel plate damper (LCSPD) was proposed, which consisted of two corrugated webs as the shear component and two outer corrugated plates as the bending component. Four LCSPDs were studied by varying the corrugation directions and arrangement forms. The lateral strength, energy dissipation, ductility, hysteretic behavior, and equivalent viscous damping coefficient of the LCSPDs were estimated by quasi-static tests. A finite element analysis was carried out based on the variables of web thickness and aspect ratio, and the validity of the finite element analysis was confirmed by comparing the results of the model with the experimental results. Comparing the horizontal low-yield-point corrugated steel plate dampers (LCSPD_H) with the vertical low-yield-point corrugated steel plate dampers (LCSPD_V), Damper specimen LCSPD_H exhibited better energy dissipation and ductility. Finally, a simplified formula was proposed to estimate the shear-carrying capacity of the LCSPDs, and the calculated results agreed well with the experimental results.
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Data Availability Statement
The data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The writers are grateful for the financial support of this research by the National Natural Science Foundation of China (Grant Nos. 51578449 and 51878548) and the Natural Science Foundation of Shaanxi Province (Grant No. 2018JZ5013).
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Published In
Journal of Structural Engineering
Volume 147 • Issue 2 • February 2021
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Dec 18, 2019
Accepted: Sep 22, 2020
Published online: Nov 30, 2020
Published in print: Feb 1, 2021
Discussion open until: Apr 30, 2021
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