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

Photonic Sensors ›› 2016, Vol. 7 ›› Issue (1) : 20 -26. DOI: 10.1007/s13320-016-0331-y

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Research on the surface subsidence monitoring technology based on fiber Bragg grating sensing

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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 / rock mass displacement / micro-seismic / optical fiber sensing / surface subsidence

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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. Photonic Sensors, 2016, 7(1): 20-26 DOI:10.1007/s13320-016-0331-y

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