| 二重钢管防屈曲耗能支撑的有限元分析 |
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| 引用本文： | 邓雪松,杨叶斌,陈真,周云,邹征敏.二重钢管防屈曲耗能支撑的有限元分析[J].地震工程与工程振动,2011,31(6):96-101. |
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| 作者姓名： | 邓雪松 杨叶斌 陈真 周云 邹征敏 |
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| 作者单位： | 广州大学土木工程学院,广东广州,510006 |
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| 基金项目： | 广东省自然科学基金团队项目，广东省自然科学基金项目，广东省科技计划项目，减震控制与结构安全省部共建重点实验室开放基金，广州市教育系统创新学术团队项目 |
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| 摘 要： | 设计了12组41种二重钢管防屈曲耗能支撑试件,应用有限元软件ABAQUS对其进行了有限元分析,研究了径厚比、约束比、长细比和边界条件对支撑性能的影响.分析结果表明:二重钢管防屈曲耗能支撑的径厚比取值不大于24、约束比的取值不小于3时,支撑的滞回曲线饱满、稳定；当支撑的长细比增加时,可以通过提高约束比来避免支撑发生整体屈...
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| 关 键 词： | 二重钢管防屈曲耗能支撑 滞回性能 有限元分析 |
Finite element analysis of double-steel tube buckling-restrained braces |
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| DENG Xuesong,YANG Yebin,CHEN Zhen,ZHOU Yun,ZOU Zhengmin.Finite element analysis of double-steel tube buckling-restrained braces[J].Earthquake Engineering and Engineering Vibration,2011,31(6):96-101. |
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| Authors: | DENG Xuesong YANG Yebin CHEN Zhen ZHOU Yun ZOU Zhengmin |
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| Institution: | (Department of Civil Engineering,Guangzhou University,Guangzhou 510006,China) |
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| Abstract: | Twelve groups and forty-one kinds of double-steel tube buckling-restrained braces were designed.Numerical analysis was carried out by using the finite element software ABAQUS to study the performance of the braces and the influences of radius-thickness ratio,restraint ratio,boundary condition and slenderness ratio.The results indicate that:the double-steel tube buckling-restrained braces have full and stable hysteretic curve when their radius-thickness ratios are not higher than twenty-four and their restraint ratios are not lower than three.When the slenderness ratios increase,the increase of restraint ratio may prevent the buckling of braces as a whole.The boundary condition of double-steel tube buckling-restrained brace is suggested to be clamped. |
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| Keywords: | double-steel tube buckling-restrained brace hysteretic behavior finite element analysis |
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