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Take the geological conditions of Hanglaiwan coal mine in Yushen mining area as the background, a <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mn>3000<\/mml:mn><mml:mtext>\u2009<\/mml:mtext><mml:mtext>mm<\/mml:mtext><mml:mo>\u00d7<\/mml:mo><mml:mn>1340<\/mml:mn><mml:mtext>\u2009<\/mml:mtext><mml:mtext>mm<\/mml:mtext><mml:mo>\u00d7<\/mml:mo><mml:mn>200<\/mml:mn><mml:mtext>\u2009<\/mml:mtext><mml:mtext>mm<\/mml:mtext><\/mml:math> physical similar material model was established in laboratory. Eight fiber Bragg grating sensors were embedded in the model, used to monitor the movement and deformation of the overburden key stratum and the change of mining abutment pressure in real time and then to determine the influencing factors and strain transfer coefficients of the fiber grating through theoretical analysis and calibration experiments. The results show the following. (1) The changes in value, position, and shape of the strain can reflect the dynamic evolution process of bending deformation, breaking, and rotation of the key strata. When the key layer breaks for the first time, the strain curve shows a peak shape; when the key layer breaks periodically, the strain curve of the fiber grating sensor showed a plateau shape for a period of time. (2) The strain curve has a good corresponding relationship with the change in supporting pressure. When the strain curve of the fiber Bragg grating sensor was at the trough stage, the abutment pressure was at the peak stage, with the increase of sensor buried height, and the supporting pressure and the strain value had a linear relationship within the range of the advanced abutment pressure. The conclusion shows that the fiber Bragg grating sensor monitoring technology has good effect on the internal strain and key supporting pressure monitoring of the overburden in the model test; it provides new monitoring methods and means for the model tests.<\/jats:p>","DOI":"10.1155\/2020\/8850547","type":"journal-article","created":{"date-parts":[[2020,8,29]],"date-time":"2020-08-29T03:18:18Z","timestamp":1598671098000},"page":"1-16","source":"Crossref","is-referenced-by-count":4,"title":["Experimental Study on Overburden Deformation Evolution under Mining Effect Based on Fiber Bragg Grating Sensing Technology"],"prefix":"10.1155","volume":"2020","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8120-0893","authenticated-orcid":true,"given":"Wulin","family":"Lei","sequence":"first","affiliation":[{"name":"College of Energy Engineering, Xi\u2019an University of Science and Technology, Xi\u2019an 710054, China"},{"name":"School of Energy Engineering, Longdong University, Qingyang, 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