埋入式F-P光纤应变传感器的疲劳性能试验研究

光纤传感器的研究应用代表着混凝土桥梁结构健康监测技术的发展趋势。针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，介绍了该传感器的制作工艺特点。通过对传感器的疲劳性能试验，验证了该传感器具有优良的精度稳定性和耐久性，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。

The Fatigue Characteristic Experiment Research of Submerged F-P Optical Fiber Strain Sensor

The application research of optical fiber sensor represents the developmental trend of the health monitoring technology of concrete bridge structure. The test theory and the main structural parameter of submerged F-P optical fiber temperature sensor which is based on the theory of white light interference are researched, and the developmental technology is introduced. According to the fatigue characteristic experiment of the optical fiber strain sensor. The test result verifies that the optical fiber strain sensor has the merits of good accuracy lasting and waterproof performance, it can meet the demands of strain monitoring in concrete structure under the complex conditions of construction field.