期刊
THERMAL SCIENCE
卷 24, 期 6, 页码 3933-3940出版社
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI2006933Y
关键词
steeply inclined and extra thick coal seam; similarity simulation; horizontal section top coal caving; thermal infrared radiation; thermo-mechanical coupling effects form
资金
- National Natural Science Foundation of China [51874231,51504184]
- Shaanxi Natural Science Fundamental Research Program Enterprise United Fund [2019JLZ-04]
- Key Research and Development Program of Shaanxi Province [2018ZDXM-SF-018]
In view of the complexity of the rules of rock strata fracture in steeply inclined and extra thick coal seam, the mining method of horizontal section top coal caving was put forward. In this paper, the physical similarity simulation model is established to analyze the movement rules of rock strata. The relationship between the form of rock strata fracture and the thermal infrared radiation is analyzed according to studying the characteristics of the thermal infrared radiation temperature of the rock strata fracture. Meanwhile, the changes characteristics of abnormal area of thermal infrared radiation were mastered, and the precursors of thermal infrared radiation of rock strata fracture were predicted. The results showed that the rock strata fracture form of steeply inclined and extra thick coal seam is related to the mining depth.
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