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| 波纹钢腹板剪切屈曲影响因素分析 | |
| 引用本文： | 宋建永,任红伟,聂建国.波纹钢腹板剪切屈曲影响因素分析[J].公路交通科技,2005,22(11):89-92. |
| 作者姓名： | 宋建永 任红伟 聂建国 |
| 作者单位： | 1. 清华大学,北京,100084;交通部公路科学研究所,北京,100088 2. 交通部公路科学研究所,北京,100088 3. 清华大学,北京,100084 |
| 基金项目： | 交通部西部交通建设科技资助项目（200431822315） |
| 摘 要： | 采用考虑剪切变形的8节点曲壳单元离散波纹钢腹板,并用有限元方法进行非线性剪切屈曲分析。分析中采用一致缺陷模态法和引入钢板厚度缺陷分布函数的方法进行波形尺寸缺陷和钢板厚度缺陷的模拟。在此基础上研究了波纹形状、腹板整体外形尺寸和钢腹板厚度等因素对波纹钢腹板剪切屈曲极限荷载和屈曲模态的影响。 |
| 关 键 词： | 波纹钢腹板 剪切屈曲 初始缺陷 影响因素 |
| 文章编号： | 1002-0268(2005)11-0089-04 |
| 收稿时间： | 2004-09-07 |
| 修稿时间： | 2004年9月7日 |
Nonlinear Shear Buckling Analysis of Corrugated Steel Webs |
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| SONG Jian-yong,REN Hong-wei,NIE Jian-guo.Nonlinear Shear Buckling Analysis of Corrugated Steel Webs[J].Journal of Highway and Transportation Research and Development,2005,22(11):89-92. | |
| Authors: | SONG Jian-yong REN Hong-wei NIE Jian-guo |
| Abstract: | The shear bucking mode and ultimate shear capacity of corrugated steel webs are analyzed by nonlinear finite elements method.The corrugated webs are simulated by 8-node structure shell element.The simulations of corrugation configuration and web thickness imperfections are discussed firstly.The corrugation configuration imperfections are simulated by uniform imperfections mode method.The steel plate thickness imperfections are simulated by thickness distribution function.On this basis,the influences of corrugation configuration,the overall dimensions and steel thickness of corrugated webs to ultimate shear bucking load and buckling mode are investigated. |
| Keywords: | Corrugated steel webs Shear buckling Initial imperfection Influence factors |
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