| 斜拉桥索-桥耦合非线性参数振动数值研究 |
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| 引用本文： | 陈水生,孙炳楠. 斜拉桥索-桥耦合非线性参数振动数值研究[J]. 土木工程学报, 2003, 36(4): 70-75 |
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| 作者姓名： | 陈水生 孙炳楠 |
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| 作者单位： | 1. 浙江大学,华东交通大学
2. 浙江大学 |
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| 摘 要： | 考虑拉索垂度及几何非线性的影响 ,建立了斜拉桥拉索与桥面耦合振动的非线性参数振动精细模型 ,用龙格 库塔直接积分方法对典型拉索进行了数值求解。研究结果表明 ,拉索与桥面的耦合参数振动特性与索的垂度、振动频率、倾斜角度等有关。并阐明了本文模型的实用性
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| 关 键 词： | 斜拉桥 拉索 参数振动 垂度 非线性 |
| 文章编号： | 1000-131X(2003)04-0070-06 |
| 修稿时间： | 2001-01-08 |
NUMERICAL STUDY ON NONLINEAR PARAMETRIC VIBRATION OF COUPLED CABLES AND BRIDGE DECKS |
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| Chen Shuisheng. NUMERICAL STUDY ON NONLINEAR PARAMETRIC VIBRATION OF COUPLED CABLES AND BRIDGE DECKS[J]. China Civil Engineering Journal, 2003, 36(4): 70-75 |
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| Authors: | Chen Shuisheng |
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| Abstract: | The nonlinear parametric vibration of the coupled cables and bridge decks is studied in the paper. A model for the vibration of the coupled and girder is established; it is considered with the sag of cable as well as the geometric non linearity. A method of the Runge Kuta integration is used in the study. The results are shown that the vibration the coupled system is related with the sag of cable, vibration frequency, and inclined angle. At last, some useful conclusions are obtained. |
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| Keywords: | cable stayed bridge cable parametric vibration say non linearity |
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