Effect of radiation inside square hollow section under moderate non-symmetric fire

Jolanta Baczkiewicz, Sami Pajunen, Markku Heinisuo

    Research output: Contribution to journalArticleScientificpeer-review

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    Abstract

    The temperature calculation of hollow steel sections at elevated temperatures is a well-documented and standard procedure. Through this standard procedure, the temperature can be calculated by assuming a uniform gas temperature all around the section, which is called a symmetric fire in this paper. Embedding in surrounding structures or connecting to another steel member results in non-symmetric heat distribution in the member. This non-symmetricity of the surrounding temperature may cause surface-to-surface heat radiation inside the
    member, thus affecting the steel section temperature distribution. This effect is considered in this paper by adopting analytical and finite element method analysis.
    Original languageEnglish
    Article number2:42
    Pages (from-to)25-30
    Number of pages6
    JournalFire Research
    Volume2
    Issue number1
    DOIs
    Publication statusPublished - 27 Jul 2018
    Publication typeA1 Journal article-refereed

    Keywords

    • Steel member
    • Hollow section
    • Heat transfer
    • Radiation

    Publication forum classification

    • Publication forum level 0

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