| 支撑布置方式对多高层钢结构抗震性能的影响分析 |
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| 引用本文： | 黄怡,王元清,石永久.支撑布置方式对多高层钢结构抗震性能的影响分析[J].钢结构,2005,20(5):41-44,21. |
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| 作者姓名： | 黄怡 王元清 石永久 |
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| 作者单位： | 清华大学,结构工程和振动教育部重点实验室,北京,100084;清华大学,结构工程和振动教育部重点实验室,北京,100084;清华大学,结构工程和振动教育部重点实验室,北京,100084 |
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| 摘 要： | 框架支撑体系作为多高层钢结构的一种结构形式被广泛采用。竖向支撑的布置方式对于结构的抗震性能有较大的影响。建立典型的多、高层框架模型(6层和18层),通过有限元软件ANSYS的抗震性能分析(模态分析、谱分析、时程分析,循环荷载分析),对比分析了动力荷载作用下,不同的支撑布置对结构的内力、变形以及耗能能力的影响。并在计算分析的基础上,探讨了支撑布置的影响规律。
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| 关 键 词： | 支撑布置 抗震性能 时程分析 |
| 收稿时间： | 2005-02-22 |
| 修稿时间： | 2005年2月22日 |
ANALYSIS OF SEISMIC BEHAVIORS OF MULTI-STOREY AND HIGH-RISE STEEL STRUCTURES WITH DIFFERENT LAYOUT OF BRACES |
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| Huang Yi,Wang Yuanqing,Shi Yongjiu.ANALYSIS OF SEISMIC BEHAVIORS OF MULTI-STOREY AND HIGH-RISE STEEL STRUCTURES WITH DIFFERENT LAYOUT OF BRACES[J].Steel Construction,2005,20(5):41-44,21. |
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| Authors: | Huang Yi Wang Yuanqing Shi Yongjiu |
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| Abstract: | The braced frame system is widely adopted in multi-storey and high-rise steel structures nowadays.The layout of vertical braces will affect the mechanical performance of the structure to some extent.Typical models of multi-storey building(6-storey) and high-rise building(18-storey) are set up,whose seismic properties are analyzed(including modal analysis,response spectrum analysis,time-history analysis and cyclic load analysis) by finite element software ANSYS.Through comparison,the effect of layout of braces to internal force,displacement,energy-dissipating capability is studied.On the basis of calculation and analysis,the influencing law of brace layout forms on seismic behavior is also explored. |
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| Keywords: | brace layout seismic behaviors time-history analysis |
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