原文传递
Numerical Investigation of Fillet Welds in HSS-to-Rigid End-Plate Connections
| 题名： | Numerical Investigation of Fillet Welds in HSS-to-Rigid End-Plate Connections |
| 其他题名： | AISC.(2011)."AISC commentary on the specification for structural steel buildings."Steel construction manual,14th Ed.,Chicago. |
| 正文语种： | 英文 |
| 作者： | Kyle Tousignant |
| 关键词： | Hollow structural section;Rectangular hollow section;Circular hollow section;Connection;Joint;Welding;Directional strength-increase factor;Fillet weld;Finite element;Metal and composite structures |
| 摘要： | This paper presents a finite-element (FE) investigation on the behavior of fillet-welded hollow structural section (HSS) rigid endplate connections, wherein the entire weld length is effective. The FE models are validated by comparison to 33 experimental tests and a parametric study is then performed with 73 numerical tests to evaluate the effect of weld size, HSS branch wall slenderness, and branch inclination angle on fillet-weld strength. The inherent problem with single-sided fillet welds to a tension-loaded element is illustrated. A reliability analysis determined that the directional strength-increase factor for fillet welds in North America leads to inadequate values of the safety index for joints to both circular and rectangular HSSs, especially for connections with large welds. Hence, an alternative yet safe method for estimating the strength of fillet welds to HSS, based on weld size, is proposed. An expression for the fillet-weld size required to develop the yield strength of a 90° HSS branch member is derived. |
| 出版年： | 2017 |
| 论文唯一标识： | P-26Y2017V143N12012 |
| 英文栏目名称： | TECHNICAL PAPAERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001889 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 143 |
| 期： | 12 |
| 页码： | 145-160 |
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