Abstract Spalling risk analysis and assessment of fire-loaded concrete structures is an essential part of research on fire-resistant behavior of concrete structures. In this work, the authors developed a stochastic interpolation-based fractal model capable of quickly assessing spalling risk in concrete at high temperatures based on mainly factors affecting explosive spalling. The preliminary grading standard of the factors elected in the study was established based on the data from literature. Test samples were then generated by the stochastic interpolation method according to uniform distribution. A spalling risk diagnosis model was built based on fractal dimension weights. In addition, 10 specimens were assessed with the presented model. The evaluation results obtained by the model in this study were in good agreement with those obtained by the fuzzy pattern recognition approach and coincided well with the actual fire test results. The applicability and reliability of the proposed model were verified and can provide theoretical support for identification of the spalling risk of concrete at elevated temperatures.


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    Titel :

    A Fractal-Interpolation Model for Diagnosing Spalling Risk in Concrete at Elevated Temperatures


    Beteiligte:
    Liu, Caiwei (Autor:in) / Liu, Chaofeng (Autor:in) / Xu, Wenlong (Autor:in) / Zhang, Xiaobo (Autor:in) / Lan, Yue (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2018-11-12


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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