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Uniform Strip Model of Steel Plate Shear Walls with Different Plate Thicknesses
| 题名： | Uniform Strip Model of Steel Plate Shear Walls with Different Plate Thicknesses |
| 正文语种： | eng |
| 作者： | Tian, Weifeng;Ma, Yousufu;Berman, Jeffrey W. |
| 作者单位： | Xian Univ Architecture & Technol Sch Civil Engn Xian 710055 Peoples R China;Xian Univ Sci & Technol Sch Architecture & Civil Engn Xian 710054 Peoples R China;Univ Washington Dept Civil & Environm Engn POB 352700 Seattle WA 98195 USA |
| 关键词： | Shear walls;Steel plate;Incomplete tension field;Model;Thickness;Buckling-restrained |
| 摘要： | The strip model, which is currently the most commonly used simplified analytical model for steel plate shear walls (SPSWs), neglects the compressive stiffness and resistance of the infill plate, thus underestimating the lateral stiffness and ultimate strength. Therefore, in this study, a more general simplified analytical model, the uniform strip model, is developed for SPSWs with different web plate thicknesses. The new model incorporates the compressive stiffness and resistance of the infill plate by adjusting the cross-sectional area and yield stress of the strips of the original strip model. The numerical simulations of experimental specimens demonstrate the validity of the new model. Parametric studies were performed to investigate the effects of the aspect ratio, plate thickness, and story number on the accuracy of the proposed model relative to a detailed shell element model. The results demonstrate that the uniform strip model agrees well with the shell element model. In comparison, the original strip model is most suitable only for what is classified as thin SPSWs, and the proposed model is a feasible tool for modeling buckling-restrained SPSWs. |
| 出版年： | 2021 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 147 |
| 期： | 11 |
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