光学技术, 2006, 32 (3): 0349, 网络出版: 2010-06-03  

埋入式F-P光纤应变传感器在混凝土桥梁健康监测中的应用研究

Application research of submerged F-P optical fiber strain sensor used in the health monitoring of concrete bridge
作者单位
1 石家庄铁道学院大型结构健康诊断与控制研究所,石家庄 050043
2 河北省大型结构健康诊断与控制重点实验室,石家庄 050000
摘要
对基于白光干涉的埋入式F-P光纤应变传感器的测试原理及主要结构参数进行了分析,介绍了该埋入式传感器的研制工艺特点。通过对传感器的性能考核试验,验证了该传感器具有优良的精度稳定性和耐久性,通过秦沈客运专线辽河特大桥施工过程监测试验,验证了该传感器满足桥梁施工现场复杂状况下混凝土结构应变监测的要求。由于该传感器的成本不及同类型进口产品的1/5,具有广阔的普及应用前景。
Abstract
The test theory and the main structural parameter of submerged F-P optical fiber temperature sensor which was based on the theory of white light interference were researched,and the production technology was introduced. The performance test of the optical fiber strain sensor verifies that the optical fiber strain sensor has the merits of good accuracy lasting and durability,and the monitoring test in the construction stage of Liao-river super-bridge which located in Qin-Shen passenger private line verifies that the optical fiber strain sensor can meet the demands of strain monitoring in concrete structure under the complex conditions of construction field. Because the cost of this kind of sensor less than the quintile of the same kind of imported product,the submerged F-P optical fiber temperature sensor has extensive application foreground.

刘永前, 杜彦良, 王新敏, 孙宝臣. 埋入式F-P光纤应变传感器在混凝土桥梁健康监测中的应用研究[J]. 光学技术, 2006, 32(3): 0349. LIU Yong-qian, DU Yang-liang, WANG Xin-min, SUN Bao-chen. Application research of submerged F-P optical fiber strain sensor used in the health monitoring of concrete bridge[J]. Optical Technique, 2006, 32(3): 0349.

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