| 弹性地基梁振动特性的近似分析方法 |
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| 引用本文： | 楼梦麟,沈霞. 弹性地基梁振动特性的近似分析方法[J]. 应用力学学报, 2004, 21(3): 149-152 |
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| 作者姓名： | 楼梦麟 沈霞 |
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| 作者单位： | 同济大学,上海,200092 |
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| 基金项目： | 国家自然科学基金资助项目 ( 5 0 2 780 70 ) |
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| 摘 要： | 文中介绍了用模态摄动法分析复杂情况下弹性地基梁动力特性的近似方法。这一方法中可考虑纵向钢筋以及变地基弹性系数对弹性地基梁振动特性的影响，通过算例说明了这一方法的有效性。
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| 关 键 词： | 弹性地基梁 动力特性 模态摄动法 |
| 文章编号： | 1000-4939(2004)03-0149-04 |
An Approach for Analyzing Dynamic Characteristic of Reinforced Concrete Beam on Elastic Foundation |
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| Lou Menglin Shen Xia. An Approach for Analyzing Dynamic Characteristic of Reinforced Concrete Beam on Elastic Foundation[J]. Chinese Journal of Applied Mechanics, 2004, 21(3): 149-152 |
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| Authors: | Lou Menglin Shen Xia |
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| Abstract: | An approach is introduced in this paper, in which dynamic characteristics of reinforced concrete beam on elastic foundation is analyzed by model perturbation method. The effects of steel reinforcements and elasticity coefficient of soil on the vibration properties are discussed by using this method. The results of numerical example show the effectiveness of the suggested approach. |
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| Keywords: | beam on elastic foundation dynamic characteristics model perturbation method. |
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