| 合理振型数的确定及扭转振型判定 |
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| 引用本文： | 韦承基,史铁花,薛彦涛.合理振型数的确定及扭转振型判定[J].工程抗震与加固改造,2002(4):1-2,9. |
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| 作者姓名： | 韦承基 史铁花 薛彦涛 |
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| 作者单位： | 中国建筑科学研究院,北京,100013 |
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| 摘 要： | 本文探讨合理振型数的确定及扭转振型判定，提出了特征参数法控制振型数，并与有效质量进行比较；定义了新的振型方向因子来判定扭转振型。
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| 关 键 词： | 扭转振型 判定 有效质量 方向因子 抗震设计 |
Decision of Reasonable Mode Number and Judgment of Torsion Mode |
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| Wei Chengji et al..Decision of Reasonable Mode Number and Judgment of Torsion Mode[J].Earthquake Resistant Engineering and Retrofitting,2002(4):1-2,9. |
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| Authors: | Wei Chengji |
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| Affiliation: | Wei Chengji et al. |
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| Abstract: | In this paper the decision of reasonable mode number and judgment of torsion mode are discussed.A method of deciding mode number by controlling character parameter is presented,which is compared with the effective mass method.A new mode direction factor to judge the torsion mode is defined in the paper. |
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| Keywords: | character parameter effective mass direction factor |
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