CN115031881B - 基于超弱反射光纤光栅的土应力二维分布监测系统及方法 - Google Patents
基于超弱反射光纤光栅的土应力二维分布监测系统及方法 Download PDFInfo
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- CN115031881B CN115031881B CN202210644604.4A CN202210644604A CN115031881B CN 115031881 B CN115031881 B CN 115031881B CN 202210644604 A CN202210644604 A CN 202210644604A CN 115031881 B CN115031881 B CN 115031881B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
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CN119000276A (zh) * | 2024-08-13 | 2024-11-22 | 湖北工业大学 | 一种分布式光纤空间应变测试装置及测试方法 |
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CN104280169A (zh) * | 2014-10-17 | 2015-01-14 | 武汉理工大学 | 一种圆环式光纤光栅测力装置及其应用 |
CN106382999A (zh) * | 2016-09-06 | 2017-02-08 | 哈尔滨工业大学 | 路用光纤光栅最大主应力传感器 |
CN107063525A (zh) * | 2017-06-25 | 2017-08-18 | 中国科学院武汉岩土力学研究所 | 一种用于深部软岩应力测量的光纤光栅式六向压力传感器 |
CN209147942U (zh) * | 2018-12-22 | 2019-07-23 | 中国地质大学(武汉) | 一种基于光纤传感的无应力计 |
CN110749304A (zh) * | 2019-11-06 | 2020-02-04 | 中国地质调查局水文地质环境地质调查中心 | 基于弱光栅的变电站地面沉降监测装置及方法 |
CN110940284A (zh) * | 2019-11-13 | 2020-03-31 | 武汉地震工程研究院有限公司 | 一种内埋式光纤光栅钢筋腐蚀传感器制作方法 |
CN210514734U (zh) * | 2019-10-09 | 2020-05-12 | 宜昌睿传光电技术有限公司 | 一种内定点式超弱光纤光栅应变光缆 |
CN113864659A (zh) * | 2021-09-06 | 2021-12-31 | 中国水利水电科学研究院 | 一种预应力钢筒混凝土管道在线监测系统和实时预警方法 |
CN215726477U (zh) * | 2021-09-15 | 2022-02-01 | 金陵科技学院 | 一种分布式光纤桩帽顶面土压力测试装置 |
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TWI510720B (zh) * | 2013-06-19 | 2015-12-01 | Jinn Her Entpr Co Ltd | 可同步預拉緊光纖光柵與螺栓的感測螺絲裝置 |
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CN104280169A (zh) * | 2014-10-17 | 2015-01-14 | 武汉理工大学 | 一种圆环式光纤光栅测力装置及其应用 |
CN106382999A (zh) * | 2016-09-06 | 2017-02-08 | 哈尔滨工业大学 | 路用光纤光栅最大主应力传感器 |
CN107063525A (zh) * | 2017-06-25 | 2017-08-18 | 中国科学院武汉岩土力学研究所 | 一种用于深部软岩应力测量的光纤光栅式六向压力传感器 |
CN209147942U (zh) * | 2018-12-22 | 2019-07-23 | 中国地质大学(武汉) | 一种基于光纤传感的无应力计 |
CN210514734U (zh) * | 2019-10-09 | 2020-05-12 | 宜昌睿传光电技术有限公司 | 一种内定点式超弱光纤光栅应变光缆 |
CN110749304A (zh) * | 2019-11-06 | 2020-02-04 | 中国地质调查局水文地质环境地质调查中心 | 基于弱光栅的变电站地面沉降监测装置及方法 |
CN110940284A (zh) * | 2019-11-13 | 2020-03-31 | 武汉地震工程研究院有限公司 | 一种内埋式光纤光栅钢筋腐蚀传感器制作方法 |
CN113864659A (zh) * | 2021-09-06 | 2021-12-31 | 中国水利水电科学研究院 | 一种预应力钢筒混凝土管道在线监测系统和实时预警方法 |
CN215726477U (zh) * | 2021-09-15 | 2022-02-01 | 金陵科技学院 | 一种分布式光纤桩帽顶面土压力测试装置 |
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