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Title: | Some Considerations on the Behaviour of Bolted Stainless-Steel Beam-to-Column Connections: A Simplified Analytical Approach |
Authors: | Sarfarazi, S Shamass, R Mascolo, I Della Corte, G Guarracino, F |
Keywords: | stainless-steel;connections;design;Eurocodes;FE modelling |
Issue Date: | 12-Apr-2023 |
Publisher: | MDPI |
Citation: | Sarfarazi, S. et al. (2023) 'Some Considerations on the Behaviour of Bolted Stainless-Steel Beam-to-Column Connections: A Simplified Analytical Approach', Metals, 13 (4), 753, pp. 1 - 19. doi: 10.3390/met13040753. |
Abstract: | Stainless-steel has proven to be a first-class material with unique mechanical properties for a variety of applications in the building and construction industry. High ductility, strain hardening, durability and aesthetic appeal are only a few of them. From a specific point of view, its nonlinear stress–strain behaviour appears capable of providing a significant increase in the rotational capacity of stainless-steel connections. This, in turn, may provide significant benefits for the overall response of a structure in terms of capacity and ductility. However, the bulk of the research on stainless-steel that has been published so far has mostly ignored the analysis of the deformation capabilities of the stainless-steel connections and has mostly focused on the structural response of individual members, such as beams or columns. For such a reason, the present study aims to contribute to the general understanding of the behaviour of stainless-steel connections from a conceptual, numerical and design standpoint. After a brief review of the available literature, the influence of the use of stainless-steel for column–beam connections is discussed from a theoretical standpoint. As a novel contribution, a different approach to compute the pseudo-plastic moment resistance that takes into account the post-elastic secant stiffness of the stainless-steel is proposed. Successively, a refined finite element model is employed to study the failure of stainless-steel column–beam connections. Finally, a critical assessment of the employment of carbon-steel-based design guidelines for stainless-steel connections provided by the Eurocode 3 design (EN 1993-1-8) is performed. The findings prove the need for the development of novel design approaches and more precise capacity models capable of capturing the actual stainless-steel joint response and their impact on the overall ductility and capacity of the whole structure. |
Description: | Data Availability Statement: Data sharing not applicable. No new data were created or analyzed in this study. |
URI: | https://bura.brunel.ac.uk/handle/2438/28223 |
DOI: | https://doi.org/10.3390/met13040753 |
Other Identifiers: | ORCID iD: Sina Sarfarazi https://orcid.org/0000-0003-4987-4801 ORCID iD: Rabee Shamass https://orcid.org/0000-0002-7990-8227 ORCID iD:,Ida Mascolo https://orcid.org/0000-0003-4094-1668 753 |
Appears in Collections: | Dept of Civil and Environmental Engineering Research Papers |
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