Deflection measurement on vibrating stay cables by non-contact microwave interferometer

Carmelo Gentile

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Deflection measurement on vibrating stay cables by non-contact microwave interferometer

机译：非接触式微波干涉仪在振动拉索上的挠度测量

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The microwave interferometry has recently emerged as an innovative technology, suitable to the non-contact vibration monitoring of large structures. The paper addresses the application of microwave remote sensing to the measurement of the vibration response in the longer cables of two cable-stayed bridges. In order to highlight the reliability and accuracy of the radar technique, the natural frequencies (and the cable tensions predicted from natural frequencies) identified from radar data were compared to the corresponding quantities obtained by using more conventional techniques. The results of the investigation highlight the accuracy and the simplicity of use provided by the microwave remote sensing, as well as its effectiveness to simultaneously measuring the dynamic response of all the stay cables of an array.

机译：微波干涉测量法最近已成为一种创新技术，适用于大型结构的非接触式振动监测。本文介绍了微波遥感技术在测量两个斜拉桥较长电缆中的振动响应方面的应用。为了突出雷达技术的可靠性和准确性，将根据雷达数据确定的固有频率（以及根据固有频率预测的电缆张力）与使用更多常规技术获得的相应量进行了比较。研究的结果突出了微波遥感提供的准确性和使用的简便性，以及其在同时测量阵列中所有拉索的动态响应方面的有效性。

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来源
《NDT & E international》 |2010年第3期|231-240|共10页
作者
Carmelo Gentile;
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作者单位

Politecnico di Milano, Department of Structural Engineering, Piazza Leonardo da Vinci, 32, 20133 Milan, Italy;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
ambient vibration testing; interferometry; radar; remote sensing; stay cable;

机译：环境振动测试;干涉测量雷达;遥感;拉线;

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专利

1. Deflection measurement on vibrating stay cables by non-contact microwave interferometer [J] . Carmelo Gentile NDT & E International: Independent Nondestructive Testing and Evaluation . 2010,第3期

机译：非接触式微波干涉仪测量振动拉索的挠度
2. Measurement of the real-time deflection of cable-stayed bridge based on cable tension variations [J] . Huang Yonghui, Wang Yang, Fu Jiyang, Measurement . 2018,第期

机译：基于电缆张力变化的斜拉桥实时偏转的测量
3. Discussion of the article "Dynamic measurements on stay cables of cable-stayed bridges using an interferometry laser system" [J] . Laura PAA., La Malfa S., Paloto JC., Experimental Techniques . 2000,第2期

机译：对文章“使用干涉激光系统对斜拉桥斜拉索进行动态测量”的讨论
4. Microwave Remote Sensing of Vibrating Stay Cables [C] . Carmelo Gentile International Conference on Vibration Measurements by Laser and Noncontact Techniques and Short Course . 2010

机译：微波遥感振动挡泥板
5. NON-CONTACT, NON-DESTRUCTIVE PAVEMENT PROFILE, TEXTURE AND DEFLECTION MEASUREMENTS. [D] . ELTON, DAVID JOHN. 1982

机译：非接触，非破坏性路面轮廓，纹理和挠度测量。
6. Full-Scale Measurements and System Identification on Sutong Cable-Stayed Bridge during Typhoon Fung-Wong [O] . Hao Wang, Tianyou Tao, Tong Guo, -1

机译：台风凤旺期间苏通斜拉桥的全尺寸测量与系统辨识
7. Dynamic measurements on stay cables of cable-stayed bridges using an interferometry laser system [O] . Elsa de Sá Caetano, Álvaro Alberto de Matos Ferreira da Cunha 1999

机译：使用干涉激光系统动态测量斜拉桥斜拉索
8. Non-Contact, Non-Destructive Airport Pavement Profile, Texture and Deflection Measurements. [R] . Harr, M. E., Elton, D. J. 1983

机译：非接触式，非破坏性机场路面剖面，纹理和挠度测量。

Deflection measurement on vibrating stay cables by non-contact microwave interferometer

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