原文传递
Experimental Investigation and Design of Concrete-Filled Steel Tubular CHS Connections
| 题名： | Experimental Investigation and Design of Concrete-Filled Steel Tubular CHS Connections |
| 其他题名： | AISC.(2010)."Specification for structural steel buildings."ANSI/AISC 360-10,Chicago. |
| 正文语种： | 英文 |
| 作者： | Fei Xu |
| 关键词： | Axial tension;Circular hollow section connections;Concrete-filled steel tubes;Experimental investigation;Structural design;Metal and composite structures |
| 摘要： | A series of tests on the concrete-filled tubular circular hollow section (CHS) connections is presented in this paper. Four types (T, Y, K, and KT) of 12 connections were tested. The tests covered two different chord wall slenderness ratios (D/t) of 60 and 75. The test specimens were first welded by steel tubes to form connections, and then self-compact concrete was filled in the main chord in full length. The material properties of steel and concrete used in the test specimens were measured. Each connection was tested to failure with the branch member loaded in axial tension. Punching shear failure of chord member was the main failure mode observed during the tests. The test results were also compared with current AISC design predictions, which are only for circular hollow section steel tubular connections. The design strengths predicted by the current AISC standard are shown to be quite conservative for the test specimens in this study. Therefore, the contribution of concrete should be considered in the design because it has a significant effect on the ultimate bearing capacity of concrete-filled CHS tubular connections. |
| 出版年： | 2015 |
| 论文唯一标识： | P-26Y2015V141N02008 |
| 英文栏目名称： | Technical Papers |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001050 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 141 |
| 期： | 02 |
| 页码： | 62-68 |
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