轻型门式刚架静力性能试验研究

徐勇; 林贤根; 童乐为; 程欣

doi:10.13204/j.gyjz201009029

轻型门式刚架静力性能试验研究

doi: 10.13204/j.gyjz201009029

1.
1. 同济大学土木工程学院,上海200092;
2.
2. 浙江树人大学城建学院,杭州310015

基金项目:

浙江省科技计划项目(2005C31053)

详细信息

作者简介:
徐勇，男，1981年出生，博士研究生。E－mail:xyong1981@163.com

中图分类号: TU392.5
计量
- 文章访问数: 90
- HTML全文浏览量: 6
- PDF下载量: 145
- 被引次数: 0
出版历程
- 收稿日期: 2010-03-10
- 刊出日期: 2010-09-20

EXPERIMENTAL RESEARCH ON STATICAL BEHAVIOR OF LIGHT-STEEL PORTAL FRAME

1.
1. College of Civil Engineering,Tongji University,Shanghai 200092,China;
2.
2. College of Urban Construction,Zhejiang Shuren University,Hangzhou 310015,China

摘要

摘要: 设计2榀单跨门式刚架并进行静力加载试验，施加的荷载为1.20恒载+1.40活载和1.20恒载+1.40活载+1.400.60风载两种组合。分析刚架处于两种荷载组合条件下典型位置的内力和位移，试验结果表明，刚架满足设计要求。运用ANSYS的Shell 181单元进行有限元模拟，模拟结果与试验结果吻合较好。在验证有限元模型的可靠性之后，对模型施加荷载+活载组合并逐渐增大直至破坏，分析刚架最终的破坏模式及机理。
- 门式刚架 /
- 静力加载试验 /
- 有限元分析 /
- 局部屈曲 /
- 破坏模式
Abstract: Two single-span portal frames were designed to make statical test.The loads were two kinds of combinations:1.20 permanent load + 1.40 variable load,1.20 permanent load + 1.40 variable load + 1.40 0.60 wind load.The internal force and displacement in key points were analyzed.The results indicated that the portal frames could meet the design requirements.FEM software ANSYS was adopted to established a non-linear analysis model,in which the Shell 181 element was chosen.The FEM analytical results agreed well with those of the experiment.After the validity of finite element analysis was proved,the load combination of permanent load and variable load was applied and increased step by step till the failure of frame.Then the failure mode and mechanism were analyzed.
- portal frame /
- statical loading test /
- FEA /
- local buckling /
- failure mode

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参考文献(6)

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