基于规范与数值模拟的钢结构抗火计算对比研究

消防科学与技术 ›› 2022, Vol. 41 ›› Issue (3): 359-362.

基于规范与数值模拟的钢结构抗火计算对比研究

董庆

（苏州建设交通高等职业技术学校，江苏苏州 215104）

出版日期:2022-03-15 发布日期:2022-03-15
作者简介:董庆（1987-），男，山东泰安人，苏州建设交通高等职业技术学校讲师，硕士，主要从事建筑工程专业教学与研究工作，江苏省苏州市吴中区致能大道108号，215104。

Comparative study on calculation of fire resistance of steel structure based on code and numerical simulation

DONG Qing

(Suzhou Construction Traffic Higher Vocational and Technical School, Jiangsu Suzhou 215104, China)

Online:2022-03-15 Published:2022-03-15

摘要/Abstract

摘要： 对GB 51249-2017《建筑钢结构防火技术规范》中的关键条文进行解读，并基于规范与数值模拟实验进行钢结构抗火计算的对比研究。结果表明：规范对静定结构中的三面、四面受火的钢构件适用性好；对于超静定结构中的三面、四面受火钢构件，适用性有待进一步研究。

关键词: 钢结构；防火；数值实验；温度场；耐火极限

Abstract: Key requirements of GB 51249-2017, Code for Fire Safety of Steel Structures in Buildings was interpreted, and comparative study on calculation of fire resistance of steel structure based on code and numerical simulation was conducted. The results showed that: code has good feasibility to steel members under fire with three or four sides in statically determinate structures; for steel members under fire with three or four sides in statically indeterminate structures, the applicability needs further study.

Key words: steel structure; fire prevention; numerical; temperature field; fire resistance rating

董庆. 基于规范与数值模拟的钢结构抗火计算对比研究[J]. 消防科学与技术, 2022, 41(3): 359-362.

DONG Qing. Comparative study on calculation of fire resistance of steel structure based on code and numerical simulation[J]. Fire Science and Technology, 2022, 41(3): 359-362.