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Seismic Performance of Steel Plate Shear Walls Considering Two Different Design Philosophies of Infill Plates. II: Assessment of Collapse Potential
| 题名： | Seismic Performance of Steel Plate Shear Walls Considering Two Different Design Philosophies of Infill Plates. II: Assessment of Collapse Potential |
| 其他题名： | AISC.(2010)."Seismic provisions for structural steel buildings."ANSI/AISC 341-10,Chicago. |
| 正文语种： | 英文 |
| 作者： | Ronny Purba |
| 关键词： | Seismic performance;Steel plate shear walls;Infill plates design;Collapse potential;Collapse fragility curves;Seismic performance factors;FEMA P695 methodology;Seismic effects |
| 摘要： | Assessment of collapse potential and seismic performance was conducted for steel plate shear walls (SPSWs) having infill plates designed per two different philosophies. This assessment was first conducted on SPSWs that were designed neglecting the contribution of their boundary moment resisting frames to resist story shear forces. This assessment of collapse potential was repeated for SPSWs that were designed considering the sharing of story shear forces between the boundary frames and infill plates. Based on these assessments, seismic performance factors [i.e., response modification coefficient (R-factor), system overstrength Ω0 factor, and deflection amplification Cd factor] for both types of SPSWs were identified and compared. Adjustments to improve collapse performance and factors that affect collapse potential were presented. Collapse fragility curves for archetypes with various structural configurations (i.e., panel aspect ratio, intensity level of seismic weight, and number of stories) were investigated. Findings from these analyses demonstrate that the infill plates of SPSWs should be designed to resist the total specified story shears, and that SPSWs designed by sharing these story shears between the boundary frame and infill plates will undergo significantly larger and possibly unacceptable drifts. |
| 出版年： | 2015 |
| 论文唯一标识： | P-26Y2015V141N06014 |
| 英文栏目名称： | Technical Papers |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001097 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 141 |
| 期： | 06 |
| 页码： | 146-157 |
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