钢梁耐火性能计算方法评定

IF 1 4区工程技术 Q4 ENGINEERING, CIVIL

Gradevinar Pub Date : 2018-01-01 DOI:10.14256/JCE.2211.2017

Davor Skejić, Ivan Rogic, Ana Šitum, D. Lange, L. Boström

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引用次数: 0

摘要

经验表明，基于欧洲标准的钢构件耐火性评估是保守的，而先进的方法复杂且耗时。在国际循环研究的范围内，对现有的测试钢梁暴露于弯曲和标准ISO火灾的方法进行了分析。结果表明，先进的方法提供了不均匀的评估。然而，需要先进的方法来改进过高估计这一“微不足道”问题的耐火性的标准方法。

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Assessment of methods for calculating fire resistance of a steel beam

Experience shows that the assessment of fire resistance of steel elements based on European standards is conservative, while advanced methods are complex and time consuming. The analysis of existing methods for the tested steel beam exposed to bending and standard ISO fire was conducted in the scope of the international Round Robin study. The comparison of results shows that advanced methods provide nonuniform assessments. Nevertheless, advanced methods are necessary for improving standard methods that overestimate fire resistance of this "trivial" problem.

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