| 复模态法分析电视塔─桩基体系地震反应 |
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| 引用本文： | 罗兆辉.复模态法分析电视塔─桩基体系地震反应[J].天津城市建设学院学报,1996(4). |
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| 作者姓名： | 罗兆辉 |
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| 摘 要： | 采用复模态方法分析了具有不同材料、不同阻尼比并考虑结构与桩基动力相互作用的电视塔的地震反应；推导了电视塔－桩基相互作用体系的地震反应方程，并对方程的阶数进行了缩减；编制了专用计算程序，于文末给出了电视塔地震反应算例，并对计算结果进行了分析，可供电视塔抗震设计参考。
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| 关 键 词： | 电视塔，结构─桩基动力相互作用，复模态方法，地震反应 |
COMPLEX MODAL METHOD FOR ANALYSIS OF EARTHQUAKE RESPONSE OF TV TOWER-PILE FOUNDATION SYSTEM |
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| Luo Zhaohui.COMPLEX MODAL METHOD FOR ANALYSIS OF EARTHQUAKE RESPONSE OF TV TOWER-PILE FOUNDATION SYSTEM[J].Journal of Tianjin Institute of Urban Construction,1996(4). |
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| Authors: | Luo Zhaohui |
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| Affiliation: | Dept.of Civil Engineering |
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| Abstract: | Complex modal method is adopted to analyse the earthquake response of TV tower with different materials and different damping ratio,considering structure-pile foundation interaction.The equation of earthquake response for the system of TV tower-pile foundation interaction is derived,and its order is reduced.A special computer program is compiled for the purpose of analysis.A computation example of earthquake response for the TV tower with analyses of the numerical results is given at the end of this paper,which could provide a reference for anti-seismic design of TV tower. |
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| Keywords: | TV tower structure-pile foundation dynamic interaction complex modal method earthquake response |
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