| 高强度钢材轴心受压构件的受力性能 |
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| 引用本文： | 施刚,王元清,石永久.高强度钢材轴心受压构件的受力性能[J].建筑结构学报,2009,30(2):92-97. |
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| 作者姓名： | 施刚 王元清 石永久 |
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| 作者单位： | 清华大学结构工程与振动教育部重点实验室; |
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| 基金项目： | 国家自然科学基金，长江学者创新团队发展计划 |
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| 摘 要： | 介绍了高强度钢材在实际工程中的应用状况,基于高强度钢材焊接截面钢柱轴心受压试验结果,给出了高强度钢材焊接箱形和焊接I形截面的残余应力分布,并结合多个国家的钢结构设计规范对试验结果进行了分析计算、讨论和比较,对高强度钢材焊接截面轴心受压构件整体稳定和局部稳定受力性能进行了研究。研究结果表明,焊接箱形和焊接I形(绕弱轴,翼缘为焰切边)两种截面(板厚<40mm)的高强度钢材(屈服强度690MPa)轴心受压构件的整体稳定系数高于普通钢材钢构件,可以划分为b类截面;而翼缘的局部稳定性能没有明显提高,翼缘宽厚比限值仍可采用我国现行钢结构规范的规定值。
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| 关 键 词： | 钢结构 钢柱 高强度钢材 稳定 轴心受压构件 |
| 收稿时间： | 2009-04-05 |
| 修稿时间： | 2009-04-05 |
Behavior of high strength steel columns under axial compression |
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| SHI Gang,WANG Yuanqing,SHI Yongjiu.Behavior of high strength steel columns under axial compression[J].Journal of Building Structures,2009,30(2):92-97. |
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| Authors: | SHI Gang WANG Yuanqing SHI Yongjiu |
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| Affiliation: | Key Laboratory of Structural Engineering and Vibration of China Education Ministry;Tsinghua University;Beijing 100084;China |
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| Abstract: | The application of high strength steel in some practical engineering projects are introduced in this paper.Based on the experimental research about the buckling behavior of high strength steel welded section columns under axial compression,the residual stress distributions for high strength steel welded box sections and I-sections are presented,along with calculation,analysis,discussion and comparison of the experimental results.The overall and local buckling behavior of high strength steel welded section c... |
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| Keywords: | steel structure high strength steel axial compression member steel column stability |
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