| 屈服强度550MPa高强冷弯薄壁型钢结构轴压构件承载力计算模式研究 |
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| 引用本文： | 李元齐,沈祖炎,王磊,王彦敏,徐宏伟. 屈服强度550MPa高强冷弯薄壁型钢结构轴压构件承载力计算模式研究[J]. 建筑结构学报, 2006, 27(3): 18-25 |
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| 作者姓名： | 李元齐 沈祖炎 王磊 王彦敏 徐宏伟 |
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| 作者单位： | 同济大学,同济大学,同济大学,博思格建筑系统,宝山钢铁股份有限公司 上海200092,上海200092,上海200092,上海201613,上海201900 |
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| 摘 要： | 本文收集了目前国内外屈服强度550MPa高强钢材冷弯薄壁型钢结构轴心受压构件的试验数据,参考现行的《冷弯薄壁型钢结构技术规范》(GB 50018—2002),对其承载力的合理计算模式进行了系统研究。结果表明,现行规范考虑板组约束计算截面有效宽厚比的方法对屈服强度550MPa高强钢材冷弯薄壁型钢结构轴心受压构件极限承载力的计算是可靠的。
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| 关 键 词： | 板组约束 承载力计算模式 高强冷弯薄壁型钢结构 有效宽厚比 轴心受压构件 |
| 文章编号： | 1000-6869(2006)03-0018-08 |
| 收稿时间： | 2006-06-05 |
| 修稿时间： | 2005-10-01 |
Analysis method for load-carrying capacity of 550MPa high-strength cold-formed thin-walled steel columns subjected to axial compression |
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| LI Yuanqi,SHEN Zuyan,WANG Lei,WANG Yanmin,XU Hongwei. Analysis method for load-carrying capacity of 550MPa high-strength cold-formed thin-walled steel columns subjected to axial compression[J]. Journal of Building Structures, 2006, 27(3): 18-25 |
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| Authors: | LI Yuanqi SHEN Zuyan WANG Lei WANG Yanmin XU Hongwei |
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| Affiliation: | LI Yuanqi~,SHEN Zuyan~,WANG Lei~,WANG Yanmin~,XU Hongwei~(.Tongji University,Shanghai,China,.BlueScope Steel(Shanghai) Co.Ltd,Shanghai,China,.Baoshan Iron and Steel Co.Ltd,Shanghai,China) |
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| Abstract: | In this paper,in order to find a suitable method for load-carrying capacity analysis of 550MPa high-strength cold-formed thin-walled steel columns subjected to axial compression with 550MPa,the related experimental data have been collected and compared with the theoretical results based on the effective width-to-thickness ratio method provided by "Technical code of cold-formed thin-walled steel structures"(GB 50018—2002).The results show that,the effective width-to-thickness ratio method,considering coupling stability of plates recommended in the technical code,can be reliably used to estimate the load-carrying capacities of the axially-compressed members of the high-strength cold-formed thin-walled steel structures. |
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| Keywords: | high-strength cold-formed thin-walled steel structures axially-compressed members load-carrying capacity coupling stability of plates effective width-to-thickness ratio |
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