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Materials 2018, 11(2), 266; https://doi.org/10.3390/ma11020266

The Influence of the Heat-Affected Zone Mechanical Properties on the Behaviour of the Welding in Transverse Plate-to-Tube Joints

Department of Construction and Manufacturing Engineering, University of Oviedo, 33203 Asturias, Spain
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Received: 12 January 2018 / Revised: 2 February 2018 / Accepted: 7 February 2018 / Published: 9 February 2018
(This article belongs to the Section Structure Analysis and Characterization)
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Abstract

Eurocode 3 establishes the component method to analytically characterize the structural joints between beam and columns. When one of the members involved in the joint is a hollow section (i.e., a tube) there is a lack of information for the specific components present in the joint. There are two different ways to bridge the gap: experimental testing on the actual beam column joints involving tubular sections; or numerical modelization, typically by means of finite element analysis. For this second option, it is necessary to know the actual mechanical properties of the material. As long as the joint implies a welding process, there is a concern related to how the mechanical properties in the heat-affected zone (HAZ) influence the behavior of the joint. In this work, some coupons were extracted from the HAZ of the beam-column joint. The coupons were tested and the results were implemented in the numerical model of the joint, in an attempt to bring it closer to the experimental results of the tested joints. View Full-Text
Keywords: HAZ mechanical properties; welded coupons; numerical simulation; structural steel joints HAZ mechanical properties; welded coupons; numerical simulation; structural steel joints
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Lozano, M.; Serrano, M.A.; López-Colina, C.; Gayarre, F.L.; Suárez, J. The Influence of the Heat-Affected Zone Mechanical Properties on the Behaviour of the Welding in Transverse Plate-to-Tube Joints. Materials 2018, 11, 266.

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