腹板开有圆孔的波浪腹板工形构件抗剪和抗弯承载力研究

张旭乔; 郭彦林; 姜子钦

doi:10.13204/j.gyjz201207005

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腹板开有圆孔的波浪腹板工形构件抗剪和抗弯承载力研究

doi: 10.13204/j.gyjz201207005

1.
清华大学土木工程系北京 100084

详细信息

作者简介:
张旭乔，女，1989年出生，博士研究生。Email：zhangxq89@gmail.com

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- 文章访问数: 134
- HTML全文浏览量: 17
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- 被引次数: 0
出版历程
- 收稿日期: 2012-02-25
- 刊出日期: 2012-07-20

SHEAR AND BEND-CARRYING CAPACITY OF H-SHAPED MEMBERS WITH SINUSOIDAL CORRUGATED WEB WITH OPENINGS

1.
Department of Civil Engineering,Tsinghua University,Beijing 100084,China

摘要

摘要: 波浪腹板工形构件在实际工程应用中,往往由于穿管线等使用功能要求需要在腹板中间开孔。目前,国内外很少看到波浪腹板开孔后抗剪及抗弯承载力研究的相关文献。通过大量有限元数值分析,研究开孔后波浪腹板工形构件截面剪应力的分布及变化,进而通过弹塑性屈曲分析,获得计算其抗剪承载力的拟合公式。此外,还讨论了开孔对波浪腹板梁受弯承载力及挠度的影响,以及开双孔时孔间距的影响。
- 波浪腹板 /
- 开孔 /
- 极限承载力
Abstract: It is common to meet the H-shaped member of sinusoidal webs with openings. Currently, the shear andbend-carrying capacity of H-shaped member of sinusoidal web with circular openings was rarely studied. This paperpresents a finite element analysis, resulting in shearing stress distribution and amplitude on the web with opening.Accordingly an equation to predict the shear-carrying capacity of the web with openings was proposed, based on lots ofFE numerical results. Finally, the bend-carrying capacity and deflection of the beam with web openings was alsoanalyzed, as well as the influence of gaps between openings.
- sinusoidal corrugated web /
- opening /
- ultimate bearing capacity

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参考文献(8)

张庆林.波浪腹板工形构件稳定承载力设计方法研究[D].北京:清华大学,2008.

[2] 李波,王肇民,赵晖.梁腹板开有圆孔时的稳定问题研究[J].四川建筑科学研究,2006,32(1):62-65.

[3] Lindner J.Shear Capacity of Beams with Trapezoidally CorrugatedWebs and Openings[C]∥Proceedings of the 1991 AnnualTechnical Session on Inelastic Behavior and Design of Frames.1991:15-17.

[4] Kiymaz G,Coskun E,Cosgun C,et al.Transverse Load CarryingCapacity of Sinusoidally Corrugated Steel Web Beams with WebOpenings[J].Steel and Composite Structures,2010,10(1):69-85.

[5] 郭彦林,张庆林,王小安.波浪腹板工形构件抗剪承载力设计理论及试验研究[J].土木工程学报,2010,40(10):45-52.

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[8] GB500172003钢结构设计规范[S].

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