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Experimental and Numerical Evaluation of a Welded Demountable Shear Connector through Horizontal Pushout Tests
| 题名： | Experimental and Numerical Evaluation of a Welded Demountable Shear Connector through Horizontal Pushout Tests |
| 正文语种： | eng |
| 作者： | Suwaed, Ahmed S. H.;He, Jun;Vasdravellis, George |
| 作者单位： | Univ Baghdad Dept Reconstruct & Projects Baghdad 10071 Iraq;Heriot Watt Univ Inst Infrastruct & Environm Edinburgh EH14 4AS Midlothian Scotland|Changsha Univ Sci & Technol Sch Civil Engn Changsha 410205 Hunan Peoples R China;Heriot Watt Univ Inst Infrastruct & Environm Edinburgh EH14 4AS Midlothian Scotland |
| 摘要： | A novel welded demountable shear connector for sustainable steel-concrete composite structures is proposed. The proposed connector consists of a grout-filled steel tube bolted to a compatible partially threaded stud, which is welded on a steel section. This connector allows for an easy deconstruction at the end of the service life of a building, promoting the reuse of both the concrete slabs and the steel sections. This paper presents the experimental evaluation of the structural behavior of the proposed connector using a horizontal pushout test arrangement. The effects of various parameters, including the tube thickness, the presence of grout infill, and the concrete slab compressive strength, were assessed. A nonlinear finite element model was also calibrated against the experimental results, and the validated numerical model was used to extend the validity of the experimental results and to perform further parametric studies. The experimental and numerical results show that the tested connectors have similar stiffness, but higher shear resistance and slip capacity compared with traditional welded shear studs and can be classified as ductile according to Eurocode 4. (C) 2021 American Society of Civil Engineers. |
| 出版年： | 2022 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 148 |
| 期： | 2 |
| 页码： | 04021274.1-04021274.13 |
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