State-of-the-art review of the reliability evaluation of concrete beams exposed to fire

Tulio Coelho; Sofia Diniz; Francisco RodriguesRuben Van Coile

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State-of-the-art review of the reliability evaluation of concrete beams exposed to fire

机译：State-of-the-art review of the reliability evaluation of concrete beams exposed to fire

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Purpose - This paper aims to investigate the state of the art for the reliability evaluation of reinforced concrete beams in a fire situation. Special emphasis is placed on addressing which parameters were considered probabilistically or deterministically, the prescribed probabilistic models for the assumed stochastic variables, the treatment of the heat transfer mechanism, the quantification of the structural fire performance and the assumed target reliability levels. Design/methodology/approach - Research papers were identified through a search on the Web of Science, Google Scholar and detailed searches within the journals Journal of Structural Fire Engineering, Fire Technology and Fire Safety Journal, supplemented with references known by the authors. Findings - Considering the state-of-the-art review, gaps in the literature are identified related to (1) the probabilistic evaluation of shear capacity for standard fires and parametric fires, and bending capacity for parametric fires, (2) the absence of reference fragility curves for immediate design application/code calibration and (3) the specification of target safety levels for reliability-based design. Originality/value - The lack of research papers gathering studies on the reliability of reinforced concrete beams in fire situation makes it difficult to further develop research in the area. The value of this work lies precisely in the collection of the basic information, making it possible to identify gaps to be addressed in future research and the suggestion of a research framework.

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来源
《Journal of structural fire engineering》 |2023年第2期|269-282|共14页
作者
Tulio Coelho; Sofia Diniz; Francisco RodriguesRuben Van Coile;
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作者单位

Department of Structural Engineering, Federal University of Minas Gerais,Belo Horizonte, Brazil;

Department of Structural Engineering, Universiteit Gent, Gent, Belgium;

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原文格式 PDF
正文语种英语
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关键词
Reinforced concrete; Reliability; Fire; Uncertainties; Beams;

State-of-the-art review of the reliability evaluation of concrete beams exposed to fire

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