Seismic Performance of Welded Stainless Steel H-Section Columns under Cyclic Horizontal Loading
Publication: Journal of Structural Engineering
Volume 147, Issue 4
Abstract
This study investigated the seismic performance of welded stainless steel H-section columns. Ten columns were tested under cyclic horizontal load; their seismic performance was analyzed according to their hysteresis curves, degree of plasticity, and energy dissipation capacity. The test results obtained were used to validate the developed finite-element (FE) model, which was later utilized in parametric studies. In the tests, it was found that the final failure form of all test columns was local buckling. Slenderness of the component plates and axial load ratio were the governing factors which affected the development of plasticity within the cross sections, the energy dissipation density, and the ductility coefficient. The cross-section classification in the relevant European code is discussed in this paper. Based on numerical data, a ductility-based design approach is proposed, which can provide a reference for the seismic design of welded stainless steel H-section columns.
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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 work was supported by the Beijing Excellent Talent Training Support (Grant No. 2017000026833ZK26), the National Natural Science Foundation of China (Grant No. 51922001), and the Foundation for Innovative Research Groups of the National Natural Science Foundation of China (Grant No. 51421005).
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Published In
Journal of Structural Engineering
Volume 147 • Issue 4 • April 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Nov 8, 2019
Accepted: Oct 29, 2020
Published online: Jan 22, 2021
Published in print: Apr 1, 2021
Discussion open until: Jun 22, 2021
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