| 摘要: |
| 介绍了火箭发动机用于大型钢筋立交桥激振,对北京西厢工程中菜户营立交桥和天宁寺立交桥进行振动特性试验和模态参数识别的研究情况,给出了试验结果,为桥梁的动态测试提供了一种新的激振方法。 |
| 关键词: 火箭发动机 激振器 桥梁 动态特性 振动试验 |
| DOI： |
| 分类号:V435 |
| 基金项目: |
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| THE MODAL INVESTIGATION ON EXCITATION OF HIGHWAY BRIDGE BY A SOLID ROCKET ENGINE |
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Li Zhaomin,Wei Yinhual,Wang Shoufan
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Dept. of Flight Vehicle Engineering, Beijing Iust. of Technology, Beijing, 100081
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| Abstract: |
| Vibration characteristic experiment and identification of modal parameters of largescale reinforced concrete highway bridges, Caihuying and Tianningsi for Beijing Xixiang Project inexcitation by solid rocket engine are introduced. The experimental results are given and a new excitingmethod is provided for bridge dynamic measurement. |
| Key words: Rocket engine Stimulator Bridge Dynamic characteristic Vibration test |
