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| Author(s): | Kim, Seon-Hu; Lee, Cheol-Ho |
| Title: | Structural performance of CHS X-joints fabricated from high-strength steel |
| Abstract: | In Memoriam of Prof. Dr. Bernt Johansson Representative steel design standards have limited the use of high-strength steels to tubular joints, partly because of concerns about their unique material characteristics. However, the mechanical background behind the limitations is unclear, and its validity needs to be re-evaluated. In this study, a set of CHS (circular hollow section) X-joints fabricated from cold-formed tubes was tested under static axial compression. Then, as supplemental work, extensive test-validated numerical analyses were carried out to investigate further the behaviour of high-strength steel CHS X-joints. In both the testing and the analyses, where three steel grades covering ordinary to very high-strength steels were considered, the high-strength steel joints showed satisfactory structural performance comparable with that of ordinary steel joints in terms of strength and ductility. |
| Source: | Steel Construction 11 (2018), No. 4 |
| Page/s: | 278-285 |
| Language of Publication: | English |
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