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Seismic Performance of Welded Stainless Steel H-Section Columns under Cyclic Horizontal Loading
| 题名： | Seismic Performance of Welded Stainless Steel H-Section Columns under Cyclic Horizontal Loading |
| 正文语种： | eng |
| 作者： | Ning, Keyang;Yang, Lu;Ban, Huiyong |
| 作者单位： | Beijing Univ Technol Minist Educ Key Lab Urban Secur & Disaster Engn Beijing 100124 Peoples R China;Beijing Univ Technol Minist Educ Key Lab Urban Secur & Disaster Engn Beijing 100124 Peoples R China;Tsinghua Univ Dept Civil Engn Beijing 100084 Peoples R China |
| 关键词： | Stainless steel;H-section;Seismic performance;Plate slenderness;Ductility |
| 摘要： | 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 (Feb) 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. (C) 2021 American Society of Civil Engineers. |
| 出版年： | 2021 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 147 |
| 期： | 4 |
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