| 外包钢加固框架弹塑性地震反应分析 |
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| 引用本文： | 朱铁栋,邢国华,何薇.外包钢加固框架弹塑性地震反应分析[J].低温建筑技术,2008,30(5). |
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| 作者姓名： | 朱铁栋 邢国华 何薇 |
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| 作者单位： | 1. 洛阳市规划建筑设计有限责任公司,河南,洛阳,471000
2. 长安大学,西安,710061 |
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| 基金项目： | 河北省交通厅科学技术项目 |
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| 摘 要： | 采用外包钢加固框架底层柱后,整体结构的质量、刚度、周期等发生了较大变化,应进行整体结构的地震反应分析。结合具体的工程实例,采用有限元程序SAP2000,对外包钢加固后某5层钢筋混凝土框架结构进行抗震性能的弹塑性分析,计算结果可为抗震设计提供参考。
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| 关 键 词： | 外包钢 抗震加固 地震反应分析 |
ELASTIC-PLASTIC ANALYSIS ON SEISMIC BEHAVIOR OF STEEL-WRAPPED CONCRETE FRAME STRUCTURE |
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| Affiliation: | (1.Luoyang Architecture Design , Planning Co.Ltd,Henan Luoyang 471000,China,2.Chang\'an University,Xi\'an 710061,China) |
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| Abstract: | Significant differences occurred in the mass,stiffness and period after strengthening concrete column with exterior steel-enclosed at bottom layer.It is necessary to analyze the seismic behavior of the overall structure.In this paper,an FEA software package SAP2000 was employed to a five-storey wrapped steel concrete frame structure to do the dynamic analysis on the seismic properties.Some suggestions were proposed on aseismic strengthening design. |
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| Keywords: | wrapped steel aseismic strengthening dynamic analysis |
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