|本期目录/Table of Contents|

[1]郭彦林,张庆林.波折腹板工形构件翼缘稳定性能研究[J].建筑科学与工程学报,2007,24(04):64-69.
　GUO Yan-lin,ZHANG Qing-lin.Research on Stability Behavior of Flanges in H-shaped Members with Corrugated Web[J].Journal of Architecture and Civil Engineering,2007,24(04):64-69.
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波折腹板工形构件翼缘稳定性能研究(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
24卷
期数:
2007年04期
页码:
64-69
栏目:
出版日期:
2007-12-20

文章信息/Info

Title:
Research on Stability Behavior of Flanges in H-shaped Members with Corrugated Web
作者:
郭彦林，张庆林
清华大学 土木工程系,北京 100084
Author(s):
GUO Yan-lin, ZHANG Qing-lin
Department of Civil Engineering, Tsinghua University, Beijing 100084, China
关键词:
波折腹板;  屈曲模态;  翼缘宽厚比;  弹性屈曲应力;  极限承载力
Keywords:
corrugated web;  buckling mode;  width-to-thickness ratio of flange;  elastic buckling stress;  ultimate loading capacity
分类号:
TU357
DOI:
-
文献标志码:
A
摘要:
提出了研究波折腹板工形构件翼缘稳定性能的合理简化模型,探讨了翼缘弹性屈曲应力与翼缘名义宽厚比、腹板波形的关系; 基于翼缘屈曲时可能出现的2种屈曲模态,分别解释了其发生机理并给出了相应的临界荷载计算公式; 提出了2种屈曲模态的判断依据,通过一系列弹塑性分析考察了不同屈曲模态下构件承载力随宽厚比的变化特点。结果表明,屈曲模态Ⅰ对构件的翼缘稳定十分不利,应尽量避免。基于屈曲模态Ⅱ的屈曲应力,提出可用于工程设计的合理宽厚比限值。
Abstract:
A rational simplified model was developed to study thestability behavior of flanges in H-shaped members with corrugated web. The relationship of elastic buckling stress of flanges, nominal width-to-thickness ratio of flanges and profile of web was discussed. Two different buckling modes were observed and corresponding equations to calculate the critical load were given. A series of elastoplastic analyses were performed on sinusoidal web members with varied buckling modes and characteristics of the ultimate loading capacity versus width-to-thickness ratio were pointed out. It is shown that when buckling mode Ⅰ controls, the behavior of flange stability will be very bad, and rational limit value ofwidth-to-thickness ratio is suggested for design based on the buckling stress of buckling mode Ⅱ.

参考文献/References:

[1]郭彦林,张庆林.波折腹板工形构件截面承载力设计方法[J].建筑科学与工程学报,2006,23(4):58-63.
GUO Yan-lin,ZHANG Qing-lin.Design Method of Section Bearing Capacity of I-type Member of Corrugated Web[J]. Journal of Architecture and Civil Engineering,2006,23(4):58-63.
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CECS 102:2002,Code for Steel Structure Technology of Light Type House with Portal Steel Frame[S].
[4SIOKOLA W.Corrugated Web Beam:Technical Documentation[M].Vienna:Zeman & Co,1999.
[5Eurocode 3,Design of Steel Structures-part 1-5:Plated Structural Elements[S].
[6JOHNSON R P,CAFOLLA J.Local Flange Buckling in Plate Girders with Corrugated Webs[J].Proceedings of the Institution of Civil Engineers,Structures and Buildings,1997,122(2):148-156.
[7陈 骥.钢结构稳定理论与设计[M].北京:科学出版社,2001.
CHEN Ji.Stability of Steel Structures Theory and Design[M].Beijing:Science Press,2001.
[8徐爱敏,陈衡治,谢 旭.结构极限承载力计算方法及其收敛性[J].中国公路学报,2006,19(5):65-70.
XU Ai-min,CHEN Heng-zhi,XIE Xu.Calculation Method for Ultimate Bearing Capacity of Structure and Its Convergence[J].China Journal of Highway and Transport,2006,19(5):65-70.

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备注/Memo

备注/Memo:
收稿日期:2007-10-20
基金项目:奥地利-中国国际合作项目(200606)
作者简介:郭彦林(1958-),男,陕西富平人,教授,博士生导师,工学博士,E-mail:gyl@tsinghua.edu.cn。
更新日期/Last Update: 2007-12-20