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Component-Based Model for Single-Plate Shear Connections with Pretension and Pinched Hysteresis
| 题名： | Component-Based Model for Single-Plate Shear Connections with Pretension and Pinched Hysteresis |
| 正文语种： | 英文 |
| 作者： | Jonathan M. Weigand, Ph.D., A.M.ASCE |
| 作者单位： | Engineering Laboratory, National Institute of Standards and Technology |
| 关键词： | Steel; Shear tab; Connections; Robustness; Structural integrity; Disproportionate collapse; Seismic loading; Gravity framing; Force-displacement; Moment-rotation; Metal and composite structures. |
| 摘要： | Component-based connection models provide a natural framework for modeling the complex behaviors of connections under extreme loads by capturing both the individual behaviors of the connection components, such as the bolt, shear plate, and beam web, and the complex interactions between those components. Component-based models also provide automatic coupling between the in-plane flexural and axial connection behaviors, a feature that is essential for modeling the behavior of connections under column removal. This paper presents a new component-based model for single-plate shear connections that includes the effects of pretension in the bolts and provides the capability to model standard and slotted holes. The component-based models are exercised under component-level deformations calculated from the connection demands via a practical rigid-body displacement model, so that the results of the presented modeling approach remain hand-calculable. Validation cases are presented for connections subjected to both seismic and column removal loading. These validation cases show that the component-based model is capable of predicting the response of single-plate shear connections for both seismic and column removal loads. DOI: 10.106l/(ASCE)ST.1943-541X.0001662. © 2016 American Society of Civil Engineers. |
| 出版日期： | 2017.02 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.02 |
| 页码： | 04016178 |
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