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Experimental Investigation of Beam-Through Steel Frames with Self-Centering Modular Panels
| 题名： | Experimental Investigation of Beam-Through Steel Frames with Self-Centering Modular Panels |
| 正文语种： | 英文 |
| 作者： | Wei Wang; Xinlong Du; Yunfeng Zhang;Yiyi Chen |
| 作者单位： | Tongji Univ;Univ, of Maryland |
| 关键词： | Self-centering; Modular panel; Rocking connection; Beam-through; Tension-only bracings; Experiment; Seismic effects. |
| 摘要： | The beam-through steel frame with self-centering modular panels (BTSF-SCMPs) is a new seismic load-resisting system that combines the ease of assembly of the beam-through main frame with the lateral stiffness and recentering capabilities of SCMPs. The SCMP is designed as a posttensioned steel moment-resisting frame, and in this study, three types of SCMPs with slightly different configurations were fabricated and tested. Columns of the main frame are floor-by-floor connected to the through beam, whereas the prefabricated SCMPs are installed to the prespecified bays of the main frame. Tension-only bracings installed to the main frame or SCMP are intended to serve as replaceable fuse elements. A series of experimental tests were conducted to investigate the cyclic loading behavior of the BTSF-SCMPs with three different types of SCMPs. The experimental results show that the BTSF-SCMP is capable of recentering upon unloading while retaining moderate energy dissipation capacity provided by the tension-only bracings. Also, because of the SCMP, after severe cyclic loading, the BTSF-SCMP system with newly replaced bracings and reused main frame exhibits almost identical stiffness, strength, and recentering ability as that of the original system. DOI: 10.106l/(ASCE)ST.1943-541X.0001743. © 2017 American Society of Civil Engineers. |
| 出版日期： | 2017.05 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.05 |
| 页码： | 04017006 |
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