原文传递
Analytical Model to Capture the In-Plane and Out-of-Plane Seismic Behavior of Nonstructural Partition Walls with Returns
| 题名： | Analytical Model to Capture the In-Plane and Out-of-Plane Seismic Behavior of Nonstructural Partition Walls with Returns |
| 正文语种： | 英文 |
| 作者： | Esmaeel Rahmanishamsi, Aff.M.ASCE; Siavash Soroushian; Emmanuel “Manos” Maragakis;Reihaneh Sarraf Shirazi |
| 作者单位： | MiTek USA, Inc;Univ, of Nevada |
| 关键词： | Nonstructural systems; Partition walls; Analytical model; Seismic response. |
| 摘要： | This paper presents an experimentally verified methodology to analytically model the in-plane and out-of-plane seismic behavior of steel-framed gypsum nonstructural partition walls with returns. In this methodology, the steel-framing members are simulated by nonlinear beam elements. The in-plane and out-of-plane nonlinear behaviors of the connections are represented by nonlinear load-deformation springs, which have been calibrated using the component-level experimental data. The representative models of comer connections are assembled accounting for stud configurations, stud-to-stud and gypsum-to-stud screw attachments, and gypsum-to-gypsum contacts. The gypsum boards are simulated using linear four-node shell elements. The proposed methodology is employed to generate analytical models of three configurations of experiments at the University of Buffalo as well as the analytical model of a C-shaped wall system, tested at the University of Nevada, Reno. Comparison of analytical and experimental results shows that the analytical model accurately captures the forcedisplacement response, the out-of-plane dynamic characteristics, and the out-of-plane responses of nonstructural partition walls. In addition, the model can predict the possible damage mechanisms in partition walls. DOI: 10.106l/(ASCE)ST.1943-541X.0001769. © 2017 American Society of しル” Engineers. |
| 出版日期： | 2017.06 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.06 |
| 页码： | 04017033 |
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