| 水平地震力作用下无铰圆弧拱桥平面挠曲振动方程的闭合解 |
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| 引用本文： | 赵川,余永强.水平地震力作用下无铰圆弧拱桥平面挠曲振动方程的闭合解[J].云南工业大学学报,1997,13(2):34-37. |
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| 作者姓名： | 赵川 余永强 |
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| 作者单位： | 云南工业大学 |
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| 摘 要： | 对无铰圆弧拱桥，在水平地震力作用下，考虑阻尼力的影响时的平面挠曲振动方程进行了推导，并用Ｇａｌｅｒｋｉｎ法得出了一个实用的Ｄｕｈａｍｅｌ积分形式的公式
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| 关 键 词： | 拱桥，振动，Galerkin法，闭合解 |
Closed Solution of the Vibration Equation of a Fixed Arch Bridge Under the Action of Horizontal Seismic Force in the Case of Plane Flexure |
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| Authors: | Zhao Chuan Zhou Yitang Yu Yongqiang |
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| Affiliation: | Zhao Chuan 1 Zhou Yitang 1 Yu Yongqiang 2 |
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| Abstract: | In this paper, based on the study of the vibration equation of a fixed arch bridge under the action of horizontal seismic force in the case of plane flexure, a practical formula in the form of famous Duhamel integral is presented. Galerkin-method is applied, the damping force is considered. |
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| Keywords: | Arch bridge Vibration Galerkin method Closed solution |
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