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https://hdl.handle.net/10316/103358
Título: | Structural Fire Performance of Concrete-Filled Built-Up Cold-Formed Steel Columns | Autor: | Craveiro, Hélder D. Rahnavard, Rohola Henriques, José Simões, Rui A. |
Palavras-chave: | cold-formed steel; built-up section; concrete-filled; load-bearing capacity; local-global buckling interaction; global buckling; fastener spacing | Data: | 15-Mar-2022 | Projeto: | FCT - 2020.03588.CEECIND FCT - research project PTDC/ECI-EGC/31858/2017—INNOCFSCONC—innovative hybrid structural solutions using cold-formed steel and lightweight concrete financed by FEDER funds through the Competitivity Factors Operational Programme-COMPETE and by national funds through FCT, PCIF/AGT/0062/2018—INTERFACESEGURA—Segurança e Resiliência ao Fogo das Zonas e Interface Urbana-Florestal UIDB/04029/2020 |
Título da revista, periódico, livro ou evento: | Materials | Volume: | 15 | Número: | 6 | Resumo: | Concrete-filled composite columns are widely used in the construction industry, exploiting the benefits of combining steel and concrete, providing, for instance, high load-bearing capacities and enhanced fire resistance. These solutions are extensively used in high-rise buildings and/or when high fire resistance performance requirements are imposed. In this exploratory research, a new type of concrete-filled composite column is investigated using fire resistance tests. Promoting the use of cold-formed steel products and developing innovative solutions for low-rise buildings with lower passive fire protection requirements led to the solutions presented in this research. Hence, a set of fire-resistance tests were undertaken on concrete-filled closed built-up cold-formed steel columns, where single cold-formed steel shapes are combined and fastened to create a box-shaped cross-section. The experimental results were then compared with the corresponding bare steel solutions to assess, in detail, the observed enhancements. Additionally, the effect of restraint on thermal elongation was assessed. | URI: | https://hdl.handle.net/10316/103358 | ISSN: | 1996-1944 | DOI: | 10.3390/ma15062159 | Direitos: | openAccess |
Aparece nas coleções: | I&D ISISE - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Structural-Fire-Performance-of-ConcreteFilled-BuiltUp-ColdFormed-Steel-ColumnsMaterials.pdf | 4.18 MB | Adobe PDF | Ver/Abrir |
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