重型热轧H型钢材料性能与残余应力研究进展

刘辰昊; 赵华田; 施刚; 邢军; 吴保桥; 刘彦生; 张一舟; 王喆; 骆晶

doi:10.3724/j.gyjzG25061704

重型热轧H型钢材料性能与残余应力研究进展

doi: 10.3724/j.gyjzG25061704

刘辰昊¹,
赵华田¹,
施刚^1,2, ,,
邢军³,
吴保桥³,
刘彦生⁴,
张一舟⁴,
王喆⁵,
骆晶¹

1. 清华大学土木工程系, 土木工程安全与耐久教育部重点实验室, 北京 100084;
2. 金属结构与建筑幕墙实验室, 清华大学建筑设计研究院有限公司, 北京 100084;
3. 马鞍山钢铁有限公司, 安徽马鞍山 243000;
4. 清华大学建筑设计研究院有限公司, 北京 100084;
5. 中国建筑标准设计研究院有限公司, 北京 100048

基金项目:

国家重点研发计划(2022YFC3801900)。

详细信息

作者简介:
刘辰昊,博士研究生,主要从事钢结构稳定相关研究。

通讯作者:
施刚,教授,主要从事钢结构相关研究,shigang@tsinghua.edu.cn。

计量
- 文章访问数: 60
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- 被引次数: 0
出版历程
- 收稿日期: 2025-06-17
- 网络出版日期: 2025-10-24

Research Progress on Material Properties and Residual Stress Distribution of Hot-Rolled Heavy H-Section Steel

1. Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing 100084, China;
2. Laboratory of Metal Structures and Glass Buildings, Architectural Design and Research Institute of Tsinghua University. Beijing 100084, China;
3. Maanshan Iron & Steel Limited Company, Maanshan 243000, China;
4. Architectural Design and Research Institute of Tsinghua University, Beijing 100084, China;
5. China Institute of Building Standard Design & Research, Beijing 100048, China

摘要

摘要: 重型热轧H型钢是指米重不低于3000 N或翼缘厚度不小于40 mm的热轧H型钢。综述了重型热轧H型钢材料性能和残余应力相关研究成果,结合我国现行规范对试验数据进行对比分析,并提出设计和应用建议。重型热轧H型钢不同截面位置的材料性能具有差异性,相同截面位置沿厚度方向会出现材料性能波动。依据我国现行规范的型钢取样材性数据,能够较好地反映重型热轧H型钢截面的平均材料性能。重型热轧H型钢的残余应力分布与普通热轧H型钢相比存在差异,在翼缘和腹板区域呈现抛物线或多次曲线的变化规律,且残余应力的数值沿同一位置的厚度方向存在较大变化。我国现行规范在确定柱子稳定曲线时使用的热轧H型钢残余应力分布模型与现有研究得到的重型热轧H型钢的残余应力实际分布存在差异,这可能导致设计结果偏保守。
- 重型热轧H型钢 /
- 材料性能 /
- 残余应力 /
- 稳定设计
Abstract: Hot-rolled heavy H-section steel is defined as hot-rolled H-section steel with a weight per meter not less than 3000 N or a flange thickness not less than 40 mm. This paper reviews the research findings on material properties and residual stress of hot-rolled heavy H-section steel, conducts a comparative analysis of experimental data in accordance with current Chinese codes, and provides some design and application recommendations. The material properties of hot-rolled heavy H-section steel exhibit variability at different cross-sectional locations, and fluctuations in material properties are observed along the thickness direction at the same cross-sectional position. The material property data obtained from sampling based on current Chinese codes can effectively reflect the average material properties of the cross-section of hot-rolled heavy H-section steel. The residual stress distribution in hot-rolled heavy H-section steel differs from that of ordinary hot-rolled H-section steel, showing parabolic or multi-curve patterns in the flange and web regions, with significant variations in residual stress values along the thickness direction at the same location. The residual stress distribution model for hot-rolled H-section steel used in current Chinese codes to determine column stability curves exhibits discrepancies compared to the actual residual stress distribution of hot-rolled heavy H-section steel obtained from the existing research, which may lead to conservative design results.
- hot-rolled heavy H-section steel /
- material properties /
- residual stress /
- stability design

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参考文献(21)

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