冷弯薄壁卷边槽钢畸变屈曲承载力的计算方法比较

姚谏; 唐婷婷; 陈柏新

doi:10.13204/j.gyjz201306024

冷弯薄壁卷边槽钢畸变屈曲承载力的计算方法比较

doi: 10.13204/j.gyjz201306024

1.
1. 浙江树人大学城建学院,杭州310015;
2.
2. 浙江大学结构工程研究所,杭州310027;
3.
3. 宏丰实业集团有限公司,杭州311404

详细信息

作者简介:
第一作者：唐婷婷, 女, 1988年生出, 硕士研究生。电子信箱：tangdurk@163.com

中图分类号: TU392.1;TU312
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- 文章访问数: 97
- HTML全文浏览量: 3
- PDF下载量: 76
- 被引次数: 0
出版历程
- 收稿日期: 2012-04-27
- 刊出日期: 2013-06-20

COMPARISON AND STUDY ON CALCULATION METHODS OF COLD-FORMED THIN-WALLED LIPPED CHANNEL MEMBERS' CAPACITY OF DISTORTIONAL BUCKLING

1.
1. College of Urban Construction,Zhejiang Shuren University,Hangzhou 310015,China;
2.
2. Institute of Structural Engineering,Zhejiang University,Hangzhou 310027,China;
3.
3. Hongfeng Industry Group Co.Ltd,Hangzhou 311404,China

摘要

摘要: 冷弯薄壁卷边槽钢在受力过程中除可能出现整体屈曲和局部屈曲外，还可能出现畸变屈曲。发生畸变屈曲会恶化构件的受力性能，从而降低构件的极限承载力。比较研究了5个国家或地区规范针对畸变屈曲的设计计算方法，并对最新的畸变屈曲承载力计算方法研究成果进行归纳，最后就既有的5种考虑畸变屈曲的承载力计算方法与有关试验进行对比分析，结果表明：北美规范采用的直接强度法适用范围广且精度相对较高。
- 薄壁型钢 /
- 卷边槽钢 /
- 畸变屈曲 /
- 直接强度法 /
- 极限承载力 /
- 计算方法
Abstract: Distortional buckling is one of the most important buckling modes for cold-formed lipped channel sections as well as local buckling and global buckling may change mechanical properties and decrease the ultimate load of members.It was reviewed the researches on distortional buckling and compared the existed design methods according to five national(regional) codes and the latest research achievements.Based on the comparison between five calculated data and test results, it was shown that the direct strength method of North American specification has widespread application and relative high accuracy.
- cold-formed steel /
- lipped channel sections /
- distortional buckling /
- direct strength method /
- ultimatebearing capacity /
- method of calculation

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参考文献(17)

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