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Improved Link-to-Column Connections for Steel Eccentrically Braced Frames
| 题名： | Improved Link-to-Column Connections for Steel Eccentrically Braced Frames |
| 其他题名： | AISC.(2010a)."Prequalified connections for special and intermediate steel moment frames for seismic applications."ANSI/AISC 358-10,Chicago. |
| 正文语种： | 英文 |
| 作者： | Taichiro Okazaki |
| 关键词： | Seismic design;Cyclic tests;Connections;Welded;Eccentrically braced frame;Metal and composite structure |
| 摘要： | Link-to-column connections in steel eccentrically braced frames must be capable of sustaining large cyclic forces and inelastic rotations. United States code provisions require that satisfactory performance of link-to-column connections be verified by testing under a prescribed loading protocol. However, there are few link-to-column connection details that have satisfied these testing criteria. This paper describes a pilot investigation of two promising link-to-column connection details, as follows: (1) the fillet welded connection, which uses fillet welds or a combination of fillet and groove welds between the link and the column flange; and (2) the supplemental web doubler connection, which reinforces the connection region using a pair of doubler plates in the first link web panel next to the column, parallel to but offset from the link web. These two details showed excellent performance in a series of eight tests. This paper describes these link-tocolumn connection details, summarizes the results of cyclic loading tests, and discusses design issues and approaches for these connections. |
| 出版年： | 2015 |
| 论文唯一标识： | P-26Y2015V141N08017 |
| 英文栏目名称： | Technical Papers |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001041 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 141 |
| 期： | 08 |
| 页码： | 174-181 |
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