| 求解地基—结构系统运动方程的基本频率法 |
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| 引用本文： | 蒯行成,任毕乔.求解地基—结构系统运动方程的基本频率法[J].湖南大学学报(自然科学版),1998,25(6):81-85. |
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| 作者姓名： | 蒯行成 任毕乔 |
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| 作者单位： | 湖南大学工程力学系 |
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| 摘 要： | 地基动力阻抗的频率相关性，导致地基－结构系统运动方程的刚度矩阵和阻尼矩阵是运动频率的函数。本文考察求解这类方程的一种近似方法的有效性，算例表明，对于采用箱，筏类基础的高层建筑，近似方法既简单又十分有效。
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| 关 键 词： | 高层建筑 地基－结构系统 运动方程 振动频率 |
Fundamental Frequency Method for Solving Motion Equations of Soil Structure Systems |
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| Kuai Xingcheng,Ren Biqiao.Fundamental Frequency Method for Solving Motion Equations of Soil Structure Systems[J].Journal of Hunan University(Naturnal Science),1998,25(6):81-85. |
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| Authors: | Kuai Xingcheng Ren Biqiao |
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| Abstract: | The frequency dependence of the dynamic impedance of soil results in the fact that the stiffness and the damping matrix of the motion equations of soil structure systems are the functions of the motion frequences.The effect of an approximate method for solving such equations is examined.The examples show that the approxiamte method is simple and very effective for the highrise buildings with box or raft foundations. |
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| Keywords: | dynamic interaction dynamic impedance highrise building |
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