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| 方形钢管混凝土构件局部屈曲理论分析与试验研究 | |
| 引用本文： | 莫时旭,赵人达,钟新谷.方形钢管混凝土构件局部屈曲理论分析与试验研究[J].湖南科技大学学报(自然科学版),2004,19(3):43-47. |
| 作者姓名： | 莫时旭 赵人达 钟新谷 |
| 作者单位： | 1. 西南交通大学,土木工程学院,四川,成都,610000;湖南科技大学,土木工程学院,湖南,湘潭,411201 2. 西南交通大学,土木工程学院,四川,成都,610000 3. 湖南科技大学,土木工程学院,湖南,湘潭,411201 |
| 摘 要： | 通过刚性基底上沿非受载边弹性约束、面内均匀受压矩形板屈曲行为的分析研究,用里兹能量变分法建立了满足上述边界条件的板弹性屈曲强度的计算公式.通过考虑内填混凝土对组成钢板边界约束的增强作用,进一步用于方形钢管混凝土局部屈曲强度的计算,计算结果与已有方钢管混凝土柱局部屈曲试验结果基本吻合.图4,表3,参10. |
| 关 键 词： | 方形钢管混凝土 板 局部屈曲 里兹能量变分法 试验 |
| 文章编号： | 1672-9102(2004)03-0043-05 |
| 修稿时间： | 2003年10月15 |
Local buckling research on concrete filled square steel box member |
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| MO Shi-xu.Local buckling research on concrete filled square steel box member[J].Journal of Hunan University of Science & Technology(Natural Science Editon),2004,19(3):43-47. | |
| Authors: | MO Shi-xu |
| Abstract: | An analytical study of local buckling of rectangular plate in contact with a rigid medium,rotationally restrained elastically along unloaded edges and subjected to uniform in-plane axial pressure,is presented in this paper.Avariational formulation of Ritz method is used to establish the explicit solution of elastic buckling strength of rectangular plate,which satisfy all the above-mentioned restrained boundary condition.After considering the reinforcing effect of filled concrete to the edge of the component plates,the explicit solution is further used to calculate the local buckling strength of the steel plates of concrete filled steel box.The theoretical predictions are in good agreement with the results of concrete filled steel box column test.4figs.,3tabs.,10refs. |
| Keywords: | concrete filled steel box plate local buckling ritz energy variation method test |
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