| 基于光纤声发射传感技术的桥梁监测实验研究 |
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| 引用本文： | 单宁.基于光纤声发射传感技术的桥梁监测实验研究[J].压电与声光,2011,33(2). |
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| 作者姓名： | 单宁 |
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| 作者单位： | 武警工程学院装备运输系,陕西西安,710086 |
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| 基金项目： | 中国博士后科学基金面上资助项目 |
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| 摘 要： | 光纤传感器耐久性好,体积小,质量轻,易于实现分布式检测,能满足桥梁等土木结构的实时健康监测.该文设计了一非本征光纤法布里-珀罗(F-P)传感器结构,分析了光纤F-P声发射传感机理,建立了基于光纤F-P声发射传感技术的检测系统,用于混凝土桥梁健康状况的实时在线检测.实验结果表明,该传感器结构简单,体积小,成本低,制作容易,能有效用于桥梁健康监测,易于实现商品化.
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| 关 键 词： | 光纤传感器 声发射技术 桥梁 健康监测 |
Experimental Study on Bridge Monitoring Based on Optical Fiber Acoustic Emission Sensing Technology |
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| SHAN Ning.Experimental Study on Bridge Monitoring Based on Optical Fiber Acoustic Emission Sensing Technology[J].Piezoelectrics & Acoustooptics,2011,33(2). |
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| Authors: | SHAN Ning |
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| Affiliation: | SHAN Ning(Dept.of Equipment and Transportation,Engineering College of Armed Police Force,Xi'an 710086,China) |
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| Abstract: | The optical fiber sensor can meet the requirements of the real-time health monitoring of the bridge structure with its features of good wearing,small size and easy to realize the distribution detection.A extrinsic optical fiber F-P sensor structure has been designed in this work and the sensing mechanism of the optical fiber F-P acoustic emission has been analyzed.A detection system based on the optical fiber F-P acoustic emission technolgy has been fabricated for detecting the health state of the concrete ... |
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| Keywords: | optical fiber sensor acoustic emission technology bridge health monitoring |
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