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| 光纤法-布应变传感器在桥梁状态监测中的应用 | |
| 引用本文： | 杨建春,陈伟民,徐谋,李祖伟,辜建国.光纤法-布应变传感器在桥梁状态监测中的应用[J].传感器与微系统,2006,25(7):76-78,81. |
| 作者姓名： | 杨建春 陈伟民 徐谋 李祖伟 辜建国 |
| 作者单位： | 1. 重庆大学,光电工程学院,光电技术及系统教育部重点实验室,重庆,400044 2. 重庆高速公路发展有限公司,重庆,400042 3. 重庆渝宇光电监控科技有限公司,重庆400038 |
| 基金项目： | 国家科技攻关项目 , 重庆市科技攻关计划 |
| 摘 要： | 光纤法-布(F-P)应变传感器具有稳定性好、精度高、抗电磁干扰能力强等特点,在桥梁结构状态监测中得到日益广泛的应用.介绍了F-P应变传感器的基本原理、结构及系统,并将该系统实际应用于大桥结构状态监测中.测量结果表明:光纤F-P应变传感器的测量数据能够有效地反映桥梁结构混凝土内部受温度影响的应变变化,测量系统运行正常有效. |
| 关 键 词： | 应变 光纤F-P应变传感器 桥梁结构 状态监测 |
| 文章编号： | 1000-9787（2006）07-0076-03 |
| 收稿时间： | 2006-03-30 |
| 修稿时间： | 2006-03-30 |
Application of fibre optic Fabry-Perot strain sensor in bridge structure status monitoring |
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| YANG Jian-chun,CHEN Wei-min,XU Mou,LI Zu-wei,GU Jian-guo.Application of fibre optic Fabry-Perot strain sensor in bridge structure status monitoring[J].Transducer and Microsystem Technology,2006,25(7):76-78,81. | |
| Authors: | YANG Jian-chun CHEN Wei-min XU Mou LI Zu-wei GU Jian-guo |
| Affiliation: | 1. Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Department of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China; 2. Chongqing Freeway Development Limited Company, Chongqing 400042, China; 3. Chongqing Yuyu Optoelectronic Monitoring Inc., Chongqing 400038, China |
| Abstract: | With the advantages of good stability,high precision and good electromagnetic resistance,the Fabry-Perot(F-P) strain sensor get increasing applications in the bridge structure status monitoring.The basic principles,combination and system of F-P strain sensor are introduced,and the system is utilized into the practical bridge status monitoring.The results show that the acquired data of F-P strain sensor can effectively describe the strain variation with the temperature change,the monitoring system works sound and effectively. |
| Keywords: | strain fiber optic F-P strain sensor bridge structure status monitoring |
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