Research on the Surface Subsidence Monitoring Technology Based on Fiber Bragg Grating Sensing

Jinyu WANG; Long JIANG; Zengrong SUN; Binxin HU; Faxiang ZHANG; Guangdong SONG; Tongyu LIU; Junfeng QI; Longping ZHANG

doi:10.1007/s13320-016-0331-y

Journals >Photonic Sensors >Volume 7 >Issue 1 >Page 20 > Article

Photonic Sensors
Vol. 7, Issue 1, 20 (2017)

Research on the Surface Subsidence Monitoring Technology Based on Fiber Bragg Grating Sensing

Jinyu WANG^1、*, Long JIANG², Zengrong SUN³, Binxin HU¹, Faxiang ZHANG¹, Guangdong SONG¹, Tongyu LIU^1、2, Junfeng QI⁴, and Longping ZHANG⁴

Author Affiliations

¹Key Laboratory of Optical Fiber Sensing Technology of Shandong Province, Laser Institute of Shandong Academy of Science, Jinan, 250014, China

²Shandong Micro-Sensor Photonics Ltd, Jinan, 250014, China

³Shandong Shenglong Safe Technology Co. Ltd, Jinan, 250032, China

⁴Laiwu Mining Co. Ltd of Laiwu Steel Group, Laiwu, 271100, China

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DOI: 10.1007/s13320-016-0331-y Cite this Article

Jinyu WANG, Long JIANG, Zengrong SUN, Binxin HU, Faxiang ZHANG, Guangdong SONG, Tongyu LIU, Junfeng QI, Longping ZHANG. Research on the Surface Subsidence Monitoring Technology Based on Fiber Bragg Grating Sensing[J]. Photonic Sensors, 2017, 7(1): 20 Copy Citation Text

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Abstract

In order to monitor the process of surface subsidence caused by mining in real time, we reported two types of fiber Bragg grating (FBG) based sensors. The principles of the FBG-based displacement sensor and the FBG-based micro-seismic sensor were described. The surface subsidence monitoring system based on the FBG sensing technology was designed. Some factual application of using these FBG-based sensors for subsidence monitoring in iron mines was presented.

Keywords

Fiber Bragg Grating micro-seismic optical fiber sensing rock mass displacement surface subsidence

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