| 光纤布喇格光栅传感器在桥梁应力监测中的实效性研究 |
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| 引用本文： | 张谢东,李永斌,李卫华,郭奔.光纤布喇格光栅传感器在桥梁应力监测中的实效性研究[J].桥梁建设,2006(2):74-76. |
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| 作者姓名： | 张谢东 李永斌 李卫华 郭奔 |
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| 作者单位： | 1. 武汉理工大学交通学院,湖北,武汉,430063
2. 湖北楚维工程咨询监理公司,湖北,荆门,448124 |
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| 摘 要： | 分析了光纤布喇格光栅传感器的基本工作原理,利用光纤布喇格光栅传感器对悬臂施工的混凝土箱梁截面应变进行了短期的监测,监测结果同钢弦应变计的监测结果及数值模型的分析结果进行了对比。分析表明:光纤布喇格光栅传感器成活率高,可信性高。
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| 关 键 词： | 桥梁 光纤传感器 应力监测 |
| 文章编号： | 1003-4722(2006)02-0074-03 |
| 收稿时间： | 2005-10-09 |
| 修稿时间： | 2005年10月9日 |
Study of Effectiveness of Optical Fiber Bragg Grating Sensors Used for Bridge Stress Monitoring |
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| ZHANG Xie-dong,LI Yong-bin,LI Wei-hua,GUO Ben.Study of Effectiveness of Optical Fiber Bragg Grating Sensors Used for Bridge Stress Monitoring[J].Bridge Construction,2006(2):74-76. |
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| Authors: | ZHANG Xie-dong LI Yong-bin LI Wei-hua GUO Ben |
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| Institution: | 1. School of Communications, Wuhan University of Technology, Wuhan 430063, China; 2. Hubei Chuxiong Engineering Consulting and Supervision Co., Ltd., Jingmen 448124, China |
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| Abstract: | The basic working principles of optical fiber Bragg grating sensors are(analyzed.) The sensors are used to monitor in short term the strain variations of concrete box girder sections constructed with cantilever method.The results of the monitoring are then compared to those by vibrating string strain meter and numerical model analysis.The analysis of the optical fiber Bragg grating sensors indicates that the survival rate and creditability of the sensors are high. |
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| Keywords: | bridge optical fiber sensor stress monitoring |
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