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- Title
Weld design for hollow structural section connections: application to Canadian Standards.
- Authors
Tousignant, Kyle; Packer, Jeffrey A.
- Abstract
This article presents a comprehensive review of existing North American research on weld effective lengths for hollow structural section (HSS) connections. Data from 393 experiments and finite-element analyses is analyzed to determine the inherent reliability index (β+) of existing and proposed AISC 360 formulae for weld effective properties in axially loaded rectangular hollow section (RHS) T-, Y- and X-connections, RHS gapped and overlapped K-connections, RHS moment-loaded T-connections, and circular hollow section T-, Y- and X-connections, when used in conjunction with CSA S16-19 Clause 13.13.4.3(a) for design of welds to the ends of HSS branches. Modifications to the formulae are proposed to achieve β+ ≥ 4.0 (the target reliability index for connectors according to Annex B.4 of CSA S16-19), and recommendations are made to facilitate a "fit-for-purpose" design approach for welds to HSS. These are proposed for the next scheduled revision of CSA W59.
- Subjects
JOINTS (Engineering); WELDED joints; STRUCTURAL design; CHEMICAL templates
- Publication
Canadian Journal of Civil Engineering, 2020, Vol 47, Issue 10, p1128
- ISSN
0315-1468
- Publication type
Article
- DOI
10.1139/cjce-2019-0608