| 光纤光栅传感器在路基沉降监测中的应用研究 |
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| 引用本文： | 宋志强,张复荣,赵林,周忠,刘统玉.光纤光栅传感器在路基沉降监测中的应用研究[J].山东科学,2011,24(5):18-21. |
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| 作者姓名： | 宋志强 张复荣 赵林 周忠 刘统玉 |
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| 作者单位： | 1.山东省科学院激光研究所，山东省光纤传感技术重点实验室，山东 济南 250014；;
2.山东微感光电子有限公司，山东 济南 250103 |
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| 摘 要： | 针对路基沉降变形监测工程中存在的耗费大量人力，无法实时掌握路况信息的问题，研制开发了温度不敏感型光纤光栅沉降位移传感器，其量程达到100 mm，测量精度0.1 mm。对两个多月的现场试验数据分析表明，光纤沉降位移传感器实时反映了路基面的沉降状况，尤其对降水等因素引起的路基面沉降速率的变化能够及时准确的响应。
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| 关 键 词： | 光纤传感技术 路基沉降变形 光纤光栅 实时远程监测 |
| 收稿时间： | 2011-03-09 |
An application of fiber Bragg grating in the monitoring of railway roadbed deformation |
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| SONG Zhi-qiang,ZHANG Fu-rong,ZHAO Lin,ZHOU Zhong,LIU Tong-yu.An application of fiber Bragg grating in the monitoring of railway roadbed deformation[J].Shandong Science,2011,24(5):18-21. |
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| Authors: | SONG Zhi-qiang ZHANG Fu-rong ZHAO Lin ZHOU Zhong LIU Tong-yu |
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| Institution: | 1.Shandong Provincial Key Laboratory of Fiber Sensing Technology, Institute of Laser, Shandong Academy of Sciences, Jinan 250014, China;
2.Shandong Micro sensor Photonics Limited Corporation, Jinan 250014, China |
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| Abstract: | We develop a temperature-unaware fiber Bragg grating （FBG） displacement sensor in view of big labor-consumption in the monitoring of railway roadbed deformation and no acquisition of real-time road information. It has the measurement range of 100 mm and measurement accuracy of 0. 1 mm. Data analysis of more than two months scene test shows that the designed sensor can reflect the real-time information of the railway roadbed deformation, especially for the information of the negative influence of precipitation on the rate of roadbed deformation. |
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| Keywords: | optical fiber sensor technology roadbed deformation fiber Bragg grating （FBG） real-time remote monitoring |
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